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Finding the Fourth Proportional to 224,936.70, 337,405.05 and 91,772.70

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Solution

The fourth proportional to 224,936.70, 337,405.05 and 91,772.70 is: 137,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,936.70 : 337,405.05 = 91,772.70 : x
  2. Step 2: Convert to fraction form
    224,936.70/337,405.05 = 91,772.70/x
  3. Step 3: Cross multiply
    224,936.70x = 337,405.05 × 91,772.70
  4. Step 4: Simplify right side
    224,936.70x = 30,964,572,432.14
  5. Step 5: Solve for x
    x = 30,964,572,432.14/224,936.70
  6. Step 6: Final answer
    x = 137,659.05

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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.