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Finding the Fourth Proportional to 107,959.52, 148,984.36 and 60,211.64

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Solution

The fourth proportional to 107,959.52, 148,984.36 and 60,211.64 is: 83,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,959.52 : 148,984.36 = 60,211.64 : x
  2. Step 2: Convert to fraction form
    107,959.52/148,984.36 = 60,211.64/x
  3. Step 3: Cross multiply
    107,959.52x = 148,984.36 × 60,211.64
  4. Step 4: Simplify right side
    107,959.52x = 8,970,591,754.50
  5. Step 5: Solve for x
    x = 8,970,591,754.50/107,959.52
  6. Step 6: Final answer
    x = 83,092.18

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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.