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Finding the Fourth Proportional to 107,791.89, 148,743.13 and 60,044.20

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Solution

The fourth proportional to 107,791.89, 148,743.13 and 60,044.20 is: 82,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,791.89 : 148,743.13 = 60,044.20 : x
  2. Step 2: Convert to fraction form
    107,791.89/148,743.13 = 60,044.20/x
  3. Step 3: Cross multiply
    107,791.89x = 148,743.13 × 60,044.20
  4. Step 4: Simplify right side
    107,791.89x = 8,931,162,246.35
  5. Step 5: Solve for x
    x = 8,931,162,246.35/107,791.89
  6. Step 6: Final answer
    x = 82,855.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.