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Finding the Fourth Proportional to 266,174.46, 399,267.72 and 88,695.72

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Solution

The fourth proportional to 266,174.46, 399,267.72 and 88,695.72 is: 133,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,174.46 : 399,267.72 = 88,695.72 : x
  2. Step 2: Convert to fraction form
    266,174.46/399,267.72 = 88,695.72/x
  3. Step 3: Cross multiply
    266,174.46x = 399,267.72 × 88,695.72
  4. Step 4: Simplify right side
    266,174.46x = 35,413,337,898.16
  5. Step 5: Solve for x
    x = 35,413,337,898.16/266,174.46
  6. Step 6: Final answer
    x = 133,045.59

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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.