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Finding the Fourth Proportional to 172,332, 237,818.16 and 96,881.04

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Solution

The fourth proportional to 172,332, 237,818.16 and 96,881.04 is: 133,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,332 : 237,818.16 = 96,881.04 : x
  2. Step 2: Convert to fraction form
    172,332/237,818.16 = 96,881.04/x
  3. Step 3: Cross multiply
    172,332x = 237,818.16 × 96,881.04
  4. Step 4: Simplify right side
    172,332x = 23,040,070,671.69
  5. Step 5: Solve for x
    x = 23,040,070,671.69/172,332
  6. Step 6: Final answer
    x = 133,695.84

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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.