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Finding the Fourth Proportional to 247,197.92, 341,007.92 and 156,400.97

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Solution

The fourth proportional to 247,197.92, 341,007.92 and 156,400.97 is: 215,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,197.92 : 341,007.92 = 156,400.97 : x
  2. Step 2: Convert to fraction form
    247,197.92/341,007.92 = 156,400.97/x
  3. Step 3: Cross multiply
    247,197.92x = 341,007.92 × 156,400.97
  4. Step 4: Simplify right side
    247,197.92x = 53,333,966,978.64
  5. Step 5: Solve for x
    x = 53,333,966,978.64/247,197.92
  6. Step 6: Final answer
    x = 215,754.11

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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.