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Finding the Fourth Proportional to 111,610, 167,439.68 and 36,753.20

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Solution

The fourth proportional to 111,610, 167,439.68 and 36,753.20 is: 55,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,610 : 167,439.68 = 36,753.20 : x
  2. Step 2: Convert to fraction form
    111,610/167,439.68 = 36,753.20/x
  3. Step 3: Cross multiply
    111,610x = 167,439.68 × 36,753.20
  4. Step 4: Simplify right side
    111,610x = 6,153,944,046.98
  5. Step 5: Solve for x
    x = 6,153,944,046.98/111,610
  6. Step 6: Final answer
    x = 55,137.93

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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.