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Finding the Fourth Proportional to 123,610.78, 185,306.16 and 44,707.48

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Solution

The fourth proportional to 123,610.78, 185,306.16 and 44,707.48 is: 67,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.78 : 185,306.16 = 44,707.48 : x
  2. Step 2: Convert to fraction form
    123,610.78/185,306.16 = 44,707.48/x
  3. Step 3: Cross multiply
    123,610.78x = 185,306.16 × 44,707.48
  4. Step 4: Simplify right side
    123,610.78x = 8,284,571,442.08
  5. Step 5: Solve for x
    x = 8,284,571,442.08/123,610.78
  6. Step 6: Final answer
    x = 67,021.43

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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.