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Finding the Fourth Proportional to 48,107.98, 72,134.97 and 33,132.70

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Solution

The fourth proportional to 48,107.98, 72,134.97 and 33,132.70 is: 49,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,107.98 : 72,134.97 = 33,132.70 : x
  2. Step 2: Convert to fraction form
    48,107.98/72,134.97 = 33,132.70/x
  3. Step 3: Cross multiply
    48,107.98x = 72,134.97 × 33,132.70
  4. Step 4: Simplify right side
    48,107.98x = 2,390,026,320.52
  5. Step 5: Solve for x
    x = 2,390,026,320.52/48,107.98
  6. Step 6: Final answer
    x = 49,680.45

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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.