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Finding the Fourth Proportional to 230,372.28, 345,535.05 and 61,870.71

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Solution

The fourth proportional to 230,372.28, 345,535.05 and 61,870.71 is: 92,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.28 : 345,535.05 = 61,870.71 : x
  2. Step 2: Convert to fraction form
    230,372.28/345,535.05 = 61,870.71/x
  3. Step 3: Cross multiply
    230,372.28x = 345,535.05 × 61,870.71
  4. Step 4: Simplify right side
    230,372.28x = 21,378,498,873.39
  5. Step 5: Solve for x
    x = 21,378,498,873.39/230,372.28
  6. Step 6: Final answer
    x = 92,799.79

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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.