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Finding the Fourth Proportional to 73,162.53, 109,693.85 and 35,191.76

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Solution

The fourth proportional to 73,162.53, 109,693.85 and 35,191.76 is: 52,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,162.53 : 109,693.85 = 35,191.76 : x
  2. Step 2: Convert to fraction form
    73,162.53/109,693.85 = 35,191.76/x
  3. Step 3: Cross multiply
    73,162.53x = 109,693.85 × 35,191.76
  4. Step 4: Simplify right side
    73,162.53x = 3,860,318,918.25
  5. Step 5: Solve for x
    x = 3,860,318,918.25/73,162.53
  6. Step 6: Final answer
    x = 52,763.61

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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.