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Finding the Fourth Proportional to 111,663.55, 167,459.33 and 36,765.87

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Solution

The fourth proportional to 111,663.55, 167,459.33 and 36,765.87 is: 55,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.55 : 167,459.33 = 36,765.87 : x
  2. Step 2: Convert to fraction form
    111,663.55/167,459.33 = 36,765.87/x
  3. Step 3: Cross multiply
    111,663.55x = 167,459.33 × 36,765.87
  4. Step 4: Simplify right side
    111,663.55x = 6,156,787,957.07
  5. Step 5: Solve for x
    x = 6,156,787,957.07/111,663.55
  6. Step 6: Final answer
    x = 55,136.95

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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.