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Finding the Fourth Proportional to 247,718,673.60, 371,566,200.60 and 83,940,367.20

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Solution

The fourth proportional to 247,718,673.60, 371,566,200.60 and 83,940,367.20 is: 125,906,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718,673.60 : 371,566,200.60 = 83,940,367.20 : x
  2. Step 2: Convert to fraction form
    247,718,673.60/371,566,200.60 = 83,940,367.20/x
  3. Step 3: Cross multiply
    247,718,673.60x = 371,566,200.60 × 83,940,367.20
  4. Step 4: Simplify right side
    247,718,673.60x = 31,189,403,317,472,864
  5. Step 5: Solve for x
    x = 31,189,403,317,472,864/247,718,673.60
  6. Step 6: Final answer
    x = 125,906,549.01

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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.