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Finding the Fourth Proportional to 172,454.87, 237,992.26 and 95,979.12

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Solution

The fourth proportional to 172,454.87, 237,992.26 and 95,979.12 is: 132,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,454.87 : 237,992.26 = 95,979.12 : x
  2. Step 2: Convert to fraction form
    172,454.87/237,992.26 = 95,979.12/x
  3. Step 3: Cross multiply
    172,454.87x = 237,992.26 × 95,979.12
  4. Step 4: Simplify right side
    172,454.87x = 22,842,287,681.61
  5. Step 5: Solve for x
    x = 22,842,287,681.61/172,454.87
  6. Step 6: Final answer
    x = 132,453.71

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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.