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Finding the Fourth Proportional to 111,348.54, 167,038.20 and 36,474.57

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Solution

The fourth proportional to 111,348.54, 167,038.20 and 36,474.57 is: 54,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,348.54 : 167,038.20 = 36,474.57 : x
  2. Step 2: Convert to fraction form
    111,348.54/167,038.20 = 36,474.57/x
  3. Step 3: Cross multiply
    111,348.54x = 167,038.20 × 36,474.57
  4. Step 4: Simplify right side
    111,348.54x = 6,092,646,518.57
  5. Step 5: Solve for x
    x = 6,092,646,518.57/111,348.54
  6. Step 6: Final answer
    x = 54,716.90

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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.