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Finding the Fourth Proportional to 224,936.60, 337,188.90 and 130,069.40

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Solution

The fourth proportional to 224,936.60, 337,188.90 and 130,069.40 is: 194,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,936.60 : 337,188.90 = 130,069.40 : x
  2. Step 2: Convert to fraction form
    224,936.60/337,188.90 = 130,069.40/x
  3. Step 3: Cross multiply
    224,936.60x = 337,188.90 × 130,069.40
  4. Step 4: Simplify right side
    224,936.60x = 43,857,957,909.66
  5. Step 5: Solve for x
    x = 43,857,957,909.66/224,936.60
  6. Step 6: Final answer
    x = 194,979.20

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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.