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Finding the Fourth Proportional to 224,240.70, 336,353.76 and 91,081.56

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Solution

The fourth proportional to 224,240.70, 336,353.76 and 91,081.56 is: 136,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,240.70 : 336,353.76 = 91,081.56 : x
  2. Step 2: Convert to fraction form
    224,240.70/336,353.76 = 91,081.56/x
  3. Step 3: Cross multiply
    224,240.70x = 336,353.76 × 91,081.56
  4. Step 4: Simplify right side
    224,240.70x = 30,635,625,172.67
  5. Step 5: Solve for x
    x = 30,635,625,172.67/224,240.70
  6. Step 6: Final answer
    x = 136,619.38

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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.