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Finding the Fourth Proportional to 73,793.30, 101,805.80 and 45,449.78

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Solution

The fourth proportional to 73,793.30, 101,805.80 and 45,449.78 is: 62,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,793.30 : 101,805.80 = 45,449.78 : x
  2. Step 2: Convert to fraction form
    73,793.30/101,805.80 = 45,449.78/x
  3. Step 3: Cross multiply
    73,793.30x = 101,805.80 × 45,449.78
  4. Step 4: Simplify right side
    73,793.30x = 4,627,051,212.72
  5. Step 5: Solve for x
    x = 4,627,051,212.72/73,793.30
  6. Step 6: Final answer
    x = 62,702.86

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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.