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Finding the Fourth Proportional to 73,793.12, 101,842.36 and 45,129.55

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Solution

The fourth proportional to 73,793.12, 101,842.36 and 45,129.55 is: 62,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,793.12 : 101,842.36 = 45,129.55 : x
  2. Step 2: Convert to fraction form
    73,793.12/101,842.36 = 45,129.55/x
  3. Step 3: Cross multiply
    73,793.12x = 101,842.36 × 45,129.55
  4. Step 4: Simplify right side
    73,793.12x = 4,596,099,906.70
  5. Step 5: Solve for x
    x = 4,596,099,906.70/73,793.12
  6. Step 6: Final answer
    x = 62,283.58

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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.