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Finding the Fourth Proportional to 123,609.88, 185,304.85 and 44,706.56

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Solution

The fourth proportional to 123,609.88, 185,304.85 and 44,706.56 is: 67,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,609.88 : 185,304.85 = 44,706.56 : x
  2. Step 2: Convert to fraction form
    123,609.88/185,304.85 = 44,706.56/x
  3. Step 3: Cross multiply
    123,609.88x = 185,304.85 × 44,706.56
  4. Step 4: Simplify right side
    123,609.88x = 8,284,342,394.82
  5. Step 5: Solve for x
    x = 8,284,342,394.82/123,609.88
  6. Step 6: Final answer
    x = 67,020.07

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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.