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Finding the Fourth Proportional to 227,988,592.80, 341,949,711.60 and 66,413,680.80

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Solution

The fourth proportional to 227,988,592.80, 341,949,711.60 and 66,413,680.80 is: 99,610,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,988,592.80 : 341,949,711.60 = 66,413,680.80 : x
  2. Step 2: Convert to fraction form
    227,988,592.80/341,949,711.60 = 66,413,680.80/x
  3. Step 3: Cross multiply
    227,988,592.80x = 341,949,711.60 × 66,413,680.80
  4. Step 4: Simplify right side
    227,988,592.80x = 22,710,138,995,854,456
  5. Step 5: Solve for x
    x = 22,710,138,995,854,456/227,988,592.80
  6. Step 6: Final answer
    x = 99,610,856.48

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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.