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Finding the Fourth Proportional to 111,663.87, 167,459.81 and 36,766.17

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Solution

The fourth proportional to 111,663.87, 167,459.81 and 36,766.17 is: 55,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.87 : 167,459.81 = 36,766.17 : x
  2. Step 2: Convert to fraction form
    111,663.87/167,459.81 = 36,766.17/x
  3. Step 3: Cross multiply
    111,663.87x = 167,459.81 × 36,766.17
  4. Step 4: Simplify right side
    111,663.87x = 6,156,855,658.80
  5. Step 5: Solve for x
    x = 6,156,855,658.80/111,663.87
  6. Step 6: Final answer
    x = 55,137.40

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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.