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Finding the Fourth Proportional to 172,117.78, 237,496.77 and 96,651.70

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Solution

The fourth proportional to 172,117.78, 237,496.77 and 96,651.70 is: 133,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,117.78 : 237,496.77 = 96,651.70 : x
  2. Step 2: Convert to fraction form
    172,117.78/237,496.77 = 96,651.70/x
  3. Step 3: Cross multiply
    172,117.78x = 237,496.77 × 96,651.70
  4. Step 4: Simplify right side
    172,117.78x = 22,954,466,565.01
  5. Step 5: Solve for x
    x = 22,954,466,565.01/172,117.78
  6. Step 6: Final answer
    x = 133,364.88

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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.