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Finding the Fourth Proportional to 266,105.54, 399,222.10 and 88,614.14

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Solution

The fourth proportional to 266,105.54, 399,222.10 and 88,614.14 is: 132,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,105.54 : 399,222.10 = 88,614.14 : x
  2. Step 2: Convert to fraction form
    266,105.54/399,222.10 = 88,614.14/x
  3. Step 3: Cross multiply
    266,105.54x = 399,222.10 × 88,614.14
  4. Step 4: Simplify right side
    266,105.54x = 35,376,723,060.49
  5. Step 5: Solve for x
    x = 35,376,723,060.49/266,105.54
  6. Step 6: Final answer
    x = 132,942.45

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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.