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Finding the Fourth Proportional to 123,474.38, 185,101.61 and 44,571.06

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Solution

The fourth proportional to 123,474.38, 185,101.61 and 44,571.06 is: 66,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,474.38 : 185,101.61 = 44,571.06 : x
  2. Step 2: Convert to fraction form
    123,474.38/185,101.61 = 44,571.06/x
  3. Step 3: Cross multiply
    123,474.38x = 185,101.61 × 44,571.06
  4. Step 4: Simplify right side
    123,474.38x = 8,250,174,742.55
  5. Step 5: Solve for x
    x = 8,250,174,742.55/123,474.38
  6. Step 6: Final answer
    x = 66,816.90

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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.