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Finding the Fourth Proportional to 172,110, 237,523.92 and 96,658.56

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Solution

The fourth proportional to 172,110, 237,523.92 and 96,658.56 is: 133,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,110 : 237,523.92 = 96,658.56 : x
  2. Step 2: Convert to fraction form
    172,110/237,523.92 = 96,658.56/x
  3. Step 3: Cross multiply
    172,110x = 237,523.92 × 96,658.56
  4. Step 4: Simplify right side
    172,110x = 22,958,720,072.76
  5. Step 5: Solve for x
    x = 22,958,720,072.76/172,110
  6. Step 6: Final answer
    x = 133,395.62

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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.