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Finding the Fourth Proportional to 172,429.29, 237,952.40 and 95,953.31

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Solution

The fourth proportional to 172,429.29, 237,952.40 and 95,953.31 is: 132,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,429.29 : 237,952.40 = 95,953.31 : x
  2. Step 2: Convert to fraction form
    172,429.29/237,952.40 = 95,953.31/x
  3. Step 3: Cross multiply
    172,429.29x = 237,952.40 × 95,953.31
  4. Step 4: Simplify right side
    172,429.29x = 22,832,318,732.92
  5. Step 5: Solve for x
    x = 22,832,318,732.92/172,429.29
  6. Step 6: Final answer
    x = 132,415.55

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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.