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Finding the Fourth Proportional to 111,773.40, 167,680.84 and 36,898.76

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Solution

The fourth proportional to 111,773.40, 167,680.84 and 36,898.76 is: 55,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,773.40 : 167,680.84 = 36,898.76 : x
  2. Step 2: Convert to fraction form
    111,773.40/167,680.84 = 36,898.76/x
  3. Step 3: Cross multiply
    111,773.40x = 167,680.84 × 36,898.76
  4. Step 4: Simplify right side
    111,773.40x = 6,187,215,071.76
  5. Step 5: Solve for x
    x = 6,187,215,071.76/111,773.40
  6. Step 6: Final answer
    x = 55,354.99

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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.