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Finding the Fourth Proportional to 224,076.80, 336,115.20 and 83,817.20

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Solution

The fourth proportional to 224,076.80, 336,115.20 and 83,817.20 is: 125,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,076.80 : 336,115.20 = 83,817.20 : x
  2. Step 2: Convert to fraction form
    224,076.80/336,115.20 = 83,817.20/x
  3. Step 3: Cross multiply
    224,076.80x = 336,115.20 × 83,817.20
  4. Step 4: Simplify right side
    224,076.80x = 28,172,234,941.44
  5. Step 5: Solve for x
    x = 28,172,234,941.44/224,076.80
  6. Step 6: Final answer
    x = 125,725.80

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1.5x scale

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.