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Finding the Fourth Proportional to 53,189,076.90, 79,783,615.35 and 53,189,076.90

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Solution

The fourth proportional to 53,189,076.90, 79,783,615.35 and 53,189,076.90 is: 79,783,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189,076.90 : 79,783,615.35 = 53,189,076.90 : x
  2. Step 2: Convert to fraction form
    53,189,076.90/79,783,615.35 = 53,189,076.90/x
  3. Step 3: Cross multiply
    53,189,076.90x = 79,783,615.35 × 53,189,076.90
  4. Step 4: Simplify right side
    53,189,076.90x = 4,243,616,852,211,170
  5. Step 5: Solve for x
    x = 4,243,616,852,211,170/53,189,076.90
  6. Step 6: Final answer
    x = 79,783,615.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.