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Finding the Fourth Proportional to 68,337.96, 102,536.54 and 36,711.12

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Solution

The fourth proportional to 68,337.96, 102,536.54 and 36,711.12 is: 55,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.96 : 102,536.54 = 36,711.12 : x
  2. Step 2: Convert to fraction form
    68,337.96/102,536.54 = 36,711.12/x
  3. Step 3: Cross multiply
    68,337.96x = 102,536.54 × 36,711.12
  4. Step 4: Simplify right side
    68,337.96x = 3,764,231,040.77
  5. Step 5: Solve for x
    x = 3,764,231,040.77/68,337.96
  6. Step 6: Final answer
    x = 55,082.58

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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.