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Finding the Fourth Proportional to 172,414.72, 237,930.02 and 96,963.22

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Solution

The fourth proportional to 172,414.72, 237,930.02 and 96,963.22 is: 133,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,414.72 : 237,930.02 = 96,963.22 : x
  2. Step 2: Convert to fraction form
    172,414.72/237,930.02 = 96,963.22/x
  3. Step 3: Cross multiply
    172,414.72x = 237,930.02 × 96,963.22
  4. Step 4: Simplify right side
    172,414.72x = 23,070,460,873.86
  5. Step 5: Solve for x
    x = 23,070,460,873.86/172,414.72
  6. Step 6: Final answer
    x = 133,807.95

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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.