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Finding the Fourth Proportional to 172,145.72, 237,545.94 and 95,659.95

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Solution

The fourth proportional to 172,145.72, 237,545.94 and 95,659.95 is: 132,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,145.72 : 237,545.94 = 95,659.95 : x
  2. Step 2: Convert to fraction form
    172,145.72/237,545.94 = 95,659.95/x
  3. Step 3: Cross multiply
    172,145.72x = 237,545.94 × 95,659.95
  4. Step 4: Simplify right side
    172,145.72x = 22,723,632,743.10
  5. Step 5: Solve for x
    x = 22,723,632,743.10/172,145.72
  6. Step 6: Final answer
    x = 132,002.31

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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.