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Finding the Fourth Proportional to 247,729.59, 341,864.96 and 134,553.15

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Solution

The fourth proportional to 247,729.59, 341,864.96 and 134,553.15 is: 185,682.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,729.59 : 341,864.96 = 134,553.15 : x
  2. Step 2: Convert to fraction form
    247,729.59/341,864.96 = 134,553.15/x
  3. Step 3: Cross multiply
    247,729.59x = 341,864.96 × 134,553.15
  4. Step 4: Simplify right side
    247,729.59x = 45,999,006,569.86
  5. Step 5: Solve for x
    x = 45,999,006,569.86/247,729.59
  6. Step 6: Final answer
    x = 185,682.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.