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Finding the Fourth Proportional to 107,791.52, 148,756.90 and 60,044.90

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Solution

The fourth proportional to 107,791.52, 148,756.90 and 60,044.90 is: 82,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,791.52 : 148,756.90 = 60,044.90 : x
  2. Step 2: Convert to fraction form
    107,791.52/148,756.90 = 60,044.90/x
  3. Step 3: Cross multiply
    107,791.52x = 148,756.90 × 60,044.90
  4. Step 4: Simplify right side
    107,791.52x = 8,932,093,184.81
  5. Step 5: Solve for x
    x = 8,932,093,184.81/107,791.52
  6. Step 6: Final answer
    x = 82,864.53

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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.