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Finding the Fourth Proportional to 111,251.86, 166,888.04 and 36,372.40

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Solution

The fourth proportional to 111,251.86, 166,888.04 and 36,372.40 is: 54,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.86 : 166,888.04 = 36,372.40 : x
  2. Step 2: Convert to fraction form
    111,251.86/166,888.04 = 36,372.40/x
  3. Step 3: Cross multiply
    111,251.86x = 166,888.04 × 36,372.40
  4. Step 4: Simplify right side
    111,251.86x = 6,070,118,546.10
  5. Step 5: Solve for x
    x = 6,070,118,546.10/111,251.86
  6. Step 6: Final answer
    x = 54,561.95

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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.