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Finding the Fourth Proportional to 101,321.87, 151,985.88 and 34,761.04

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Solution

The fourth proportional to 101,321.87, 151,985.88 and 34,761.04 is: 52,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,321.87 : 151,985.88 = 34,761.04 : x
  2. Step 2: Convert to fraction form
    101,321.87/151,985.88 = 34,761.04/x
  3. Step 3: Cross multiply
    101,321.87x = 151,985.88 × 34,761.04
  4. Step 4: Simplify right side
    101,321.87x = 5,283,186,320.38
  5. Step 5: Solve for x
    x = 5,283,186,320.38/101,321.87
  6. Step 6: Final answer
    x = 52,142.61

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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.