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Finding the Fourth Proportional to 71,537,403.60, 107,313,978.60 and 23,006,998.80

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Solution

The fourth proportional to 71,537,403.60, 107,313,978.60 and 23,006,998.80 is: 34,513,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,537,403.60 : 107,313,978.60 = 23,006,998.80 : x
  2. Step 2: Convert to fraction form
    71,537,403.60/107,313,978.60 = 23,006,998.80/x
  3. Step 3: Cross multiply
    71,537,403.60x = 107,313,978.60 × 23,006,998.80
  4. Step 4: Simplify right side
    71,537,403.60x = 2,468,972,576,873,425.50
  5. Step 5: Solve for x
    x = 2,468,972,576,873,425.50/71,537,403.60
  6. Step 6: Final answer
    x = 34,513,030.28

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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.