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Finding the Fourth Proportional to 234,249.62, 351,149.96 and 99,127.81

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Solution

The fourth proportional to 234,249.62, 351,149.96 and 99,127.81 is: 148,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,249.62 : 351,149.96 = 99,127.81 : x
  2. Step 2: Convert to fraction form
    234,249.62/351,149.96 = 99,127.81/x
  3. Step 3: Cross multiply
    234,249.62x = 351,149.96 × 99,127.81
  4. Step 4: Simplify right side
    234,249.62x = 34,808,727,675.69
  5. Step 5: Solve for x
    x = 34,808,727,675.69/234,249.62
  6. Step 6: Final answer
    x = 148,596.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.