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Finding the Fourth Proportional to 224,451.50, 336,732.72 and 66,679.70

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Solution

The fourth proportional to 224,451.50, 336,732.72 and 66,679.70 is: 100,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,451.50 : 336,732.72 = 66,679.70 : x
  2. Step 2: Convert to fraction form
    224,451.50/336,732.72 = 66,679.70/x
  3. Step 3: Cross multiply
    224,451.50x = 336,732.72 × 66,679.70
  4. Step 4: Simplify right side
    224,451.50x = 22,453,236,749.78
  5. Step 5: Solve for x
    x = 22,453,236,749.78/224,451.50
  6. Step 6: Final answer
    x = 100,036.03

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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.