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Finding the Fourth Proportional to 132,224.49, 198,343.11 and 43,476.03

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Solution

The fourth proportional to 132,224.49, 198,343.11 and 43,476.03 is: 65,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,224.49 : 198,343.11 = 43,476.03 : x
  2. Step 2: Convert to fraction form
    132,224.49/198,343.11 = 43,476.03/x
  3. Step 3: Cross multiply
    132,224.49x = 198,343.11 × 43,476.03
  4. Step 4: Simplify right side
    132,224.49x = 8,623,171,000.65
  5. Step 5: Solve for x
    x = 8,623,171,000.65/132,224.49
  6. Step 6: Final answer
    x = 65,216.14

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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.