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Finding the Fourth Proportional to 69,459.93, 95,849.01 and 39,247.88

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Solution

The fourth proportional to 69,459.93, 95,849.01 and 39,247.88 is: 54,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.93 : 95,849.01 = 39,247.88 : x
  2. Step 2: Convert to fraction form
    69,459.93/95,849.01 = 39,247.88/x
  3. Step 3: Cross multiply
    69,459.93x = 95,849.01 × 39,247.88
  4. Step 4: Simplify right side
    69,459.93x = 3,761,869,963.35
  5. Step 5: Solve for x
    x = 3,761,869,963.35/69,459.93
  6. Step 6: Final answer
    x = 54,158.85

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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.