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Finding the Fourth Proportional to 53,145,693.60, 79,576,822.80 and 53,145,693.60

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Solution

The fourth proportional to 53,145,693.60, 79,576,822.80 and 53,145,693.60 is: 79,576,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,145,693.60 : 79,576,822.80 = 53,145,693.60 : x
  2. Step 2: Convert to fraction form
    53,145,693.60/79,576,822.80 = 53,145,693.60/x
  3. Step 3: Cross multiply
    53,145,693.60x = 79,576,822.80 × 53,145,693.60
  4. Step 4: Simplify right side
    53,145,693.60x = 4,229,165,442,190,294
  5. Step 5: Solve for x
    x = 4,229,165,442,190,294/53,145,693.60
  6. Step 6: Final answer
    x = 79,576,822.80

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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.