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Finding the Fourth Proportional to 224,711.70, 336,630.15 and 135,700.80

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Solution

The fourth proportional to 224,711.70, 336,630.15 and 135,700.80 is: 203,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,711.70 : 336,630.15 = 135,700.80 : x
  2. Step 2: Convert to fraction form
    224,711.70/336,630.15 = 135,700.80/x
  3. Step 3: Cross multiply
    224,711.70x = 336,630.15 × 135,700.80
  4. Step 4: Simplify right side
    224,711.70x = 45,680,980,659.12
  5. Step 5: Solve for x
    x = 45,680,980,659.12/224,711.70
  6. Step 6: Final answer
    x = 203,287.06

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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.