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Finding the Fourth Proportional to 101,974.84, 152,789.70 and 62,449.44

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Solution

The fourth proportional to 101,974.84, 152,789.70 and 62,449.44 is: 93,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,974.84 : 152,789.70 = 62,449.44 : x
  2. Step 2: Convert to fraction form
    101,974.84/152,789.70 = 62,449.44/x
  3. Step 3: Cross multiply
    101,974.84x = 152,789.70 × 62,449.44
  4. Step 4: Simplify right side
    101,974.84x = 9,541,631,202.77
  5. Step 5: Solve for x
    x = 9,541,631,202.77/101,974.84
  6. Step 6: Final answer
    x = 93,568.48

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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.