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Finding the Fourth Proportional to 123,609.78, 185,304.66 and 44,706.48

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Solution

The fourth proportional to 123,609.78, 185,304.66 and 44,706.48 is: 67,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,609.78 : 185,304.66 = 44,706.48 : x
  2. Step 2: Convert to fraction form
    123,609.78/185,304.66 = 44,706.48/x
  3. Step 3: Cross multiply
    123,609.78x = 185,304.66 × 44,706.48
  4. Step 4: Simplify right side
    123,609.78x = 8,284,319,076.20
  5. Step 5: Solve for x
    x = 8,284,319,076.20/123,609.78
  6. Step 6: Final answer
    x = 67,019.93

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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.