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Finding the Fourth Proportional to 163,062.40, 244,472.10 and 84,233.20

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Solution

The fourth proportional to 163,062.40, 244,472.10 and 84,233.20 is: 126,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,062.40 : 244,472.10 = 84,233.20 : x
  2. Step 2: Convert to fraction form
    163,062.40/244,472.10 = 84,233.20/x
  3. Step 3: Cross multiply
    163,062.40x = 244,472.10 × 84,233.20
  4. Step 4: Simplify right side
    163,062.40x = 20,592,667,293.72
  5. Step 5: Solve for x
    x = 20,592,667,293.72/163,062.40
  6. Step 6: Final answer
    x = 126,287.04

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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.