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Finding the Fourth Proportional to 67,773.08, 101,660.64 and 25,672.65

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Solution

The fourth proportional to 67,773.08, 101,660.64 and 25,672.65 is: 38,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,773.08 : 101,660.64 = 25,672.65 : x
  2. Step 2: Convert to fraction form
    67,773.08/101,660.64 = 25,672.65/x
  3. Step 3: Cross multiply
    67,773.08x = 101,660.64 × 25,672.65
  4. Step 4: Simplify right side
    67,773.08x = 2,609,897,768.61
  5. Step 5: Solve for x
    x = 2,609,897,768.61/67,773.08
  6. Step 6: Final answer
    x = 38,509.36

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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.