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Finding the Fourth Proportional to 224,870.40, 337,305.60 and 84,660.48

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Solution

The fourth proportional to 224,870.40, 337,305.60 and 84,660.48 is: 126,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,870.40 : 337,305.60 = 84,660.48 : x
  2. Step 2: Convert to fraction form
    224,870.40/337,305.60 = 84,660.48/x
  3. Step 3: Cross multiply
    224,870.40x = 337,305.60 × 84,660.48
  4. Step 4: Simplify right side
    224,870.40x = 28,556,454,002.69
  5. Step 5: Solve for x
    x = 28,556,454,002.69/224,870.40
  6. Step 6: Final answer
    x = 126,990.72

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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.