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Finding the Fourth Proportional to 172,414.59, 237,929.85 and 96,963.09

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Solution

The fourth proportional to 172,414.59, 237,929.85 and 96,963.09 is: 133,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414.59 : 237,929.85 = 96,963.09 : x
  2. Step 2: Convert to fraction form
    172,414.59/237,929.85 = 96,963.09/x
  3. Step 3: Cross multiply
    172,414.59x = 237,929.85 × 96,963.09
  4. Step 4: Simplify right side
    172,414.59x = 23,070,413,459.24
  5. Step 5: Solve for x
    x = 23,070,413,459.24/172,414.59
  6. Step 6: Final answer
    x = 133,807.78

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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.