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Finding the Fourth Proportional to 172,231.90, 237,651.29 and 95,748.86

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Solution

The fourth proportional to 172,231.90, 237,651.29 and 95,748.86 is: 132,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,231.90 : 237,651.29 = 95,748.86 : x
  2. Step 2: Convert to fraction form
    172,231.90/237,651.29 = 95,748.86/x
  3. Step 3: Cross multiply
    172,231.90x = 237,651.29 × 95,748.86
  4. Step 4: Simplify right side
    172,231.90x = 22,754,839,616.29
  5. Step 5: Solve for x
    x = 22,754,839,616.29/172,231.90
  6. Step 6: Final answer
    x = 132,117.45

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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.