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Finding the Fourth Proportional to 172,408.68, 237,926.88 and 95,933.88

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Solution

The fourth proportional to 172,408.68, 237,926.88 and 95,933.88 is: 132,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,408.68 : 237,926.88 = 95,933.88 : x
  2. Step 2: Convert to fraction form
    172,408.68/237,926.88 = 95,933.88/x
  3. Step 3: Cross multiply
    172,408.68x = 237,926.88 × 95,933.88
  4. Step 4: Simplify right side
    172,408.68x = 22,825,248,754.69
  5. Step 5: Solve for x
    x = 22,825,248,754.69/172,408.68
  6. Step 6: Final answer
    x = 132,390.37

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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.