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Finding the Fourth Proportional to 79,645.74, 119,453.73 and 32,248.30

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Solution

The fourth proportional to 79,645.74, 119,453.73 and 32,248.30 is: 48,366.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,645.74 : 119,453.73 = 32,248.30 : x
  2. Step 2: Convert to fraction form
    79,645.74/119,453.73 = 32,248.30/x
  3. Step 3: Cross multiply
    79,645.74x = 119,453.73 × 32,248.30
  4. Step 4: Simplify right side
    79,645.74x = 3,852,179,721.16
  5. Step 5: Solve for x
    x = 3,852,179,721.16/79,645.74
  6. Step 6: Final answer
    x = 48,366.43

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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.