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Finding the Fourth Proportional to 84,508.65, 126,754.72 and 22,179.15

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Solution

The fourth proportional to 84,508.65, 126,754.72 and 22,179.15 is: 33,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,508.65 : 126,754.72 = 22,179.15 : x
  2. Step 2: Convert to fraction form
    84,508.65/126,754.72 = 22,179.15/x
  3. Step 3: Cross multiply
    84,508.65x = 126,754.72 × 22,179.15
  4. Step 4: Simplify right side
    84,508.65x = 2,811,311,837.19
  5. Step 5: Solve for x
    x = 2,811,311,837.19/84,508.65
  6. Step 6: Final answer
    x = 33,266.56

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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.