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Finding the Fourth Proportional to 79,026.54, 118,370.90 and 63,968.64

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Solution

The fourth proportional to 79,026.54, 118,370.90 and 63,968.64 is: 95,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,026.54 : 118,370.90 = 63,968.64 : x
  2. Step 2: Convert to fraction form
    79,026.54/118,370.90 = 63,968.64/x
  3. Step 3: Cross multiply
    79,026.54x = 118,370.90 × 63,968.64
  4. Step 4: Simplify right side
    79,026.54x = 7,572,025,488.58
  5. Step 5: Solve for x
    x = 7,572,025,488.58/79,026.54
  6. Step 6: Final answer
    x = 95,816.23

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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.