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Finding the Fourth Proportional to 123,576.87, 185,379.72 and 44,728.23

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Solution

The fourth proportional to 123,576.87, 185,379.72 and 44,728.23 is: 67,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,576.87 : 185,379.72 = 44,728.23 : x
  2. Step 2: Convert to fraction form
    123,576.87/185,379.72 = 44,728.23/x
  3. Step 3: Cross multiply
    123,576.87x = 185,379.72 × 44,728.23
  4. Step 4: Simplify right side
    123,576.87x = 8,291,706,753.50
  5. Step 5: Solve for x
    x = 8,291,706,753.50/123,576.87
  6. Step 6: Final answer
    x = 67,097.56

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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.