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Finding the Fourth Proportional to 224,499.75, 336,805.11 and 66,727.55

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Solution

The fourth proportional to 224,499.75, 336,805.11 and 66,727.55 is: 100,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,499.75 : 336,805.11 = 66,727.55 : x
  2. Step 2: Convert to fraction form
    224,499.75/336,805.11 = 66,727.55/x
  3. Step 3: Cross multiply
    224,499.75x = 336,805.11 × 66,727.55
  4. Step 4: Simplify right side
    224,499.75x = 22,474,178,133.75
  5. Step 5: Solve for x
    x = 22,474,178,133.75/224,499.75
  6. Step 6: Final answer
    x = 100,107.81

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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.