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Finding the Fourth Proportional to 111,355.53, 167,042.85 and 36,475.37

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Solution

The fourth proportional to 111,355.53, 167,042.85 and 36,475.37 is: 54,716.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,355.53 : 167,042.85 = 36,475.37 : x
  2. Step 2: Convert to fraction form
    111,355.53/167,042.85 = 36,475.37/x
  3. Step 3: Cross multiply
    111,355.53x = 167,042.85 × 36,475.37
  4. Step 4: Simplify right side
    111,355.53x = 6,092,949,577.23
  5. Step 5: Solve for x
    x = 6,092,949,577.23/111,355.53
  6. Step 6: Final answer
    x = 54,716.18

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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.