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Finding the Fourth Proportional to 224,780.70, 336,733.65 and 135,769.80

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Solution

The fourth proportional to 224,780.70, 336,733.65 and 135,769.80 is: 203,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,780.70 : 336,733.65 = 135,769.80 : x
  2. Step 2: Convert to fraction form
    224,780.70/336,733.65 = 135,769.80/x
  3. Step 3: Cross multiply
    224,780.70x = 336,733.65 × 135,769.80
  4. Step 4: Simplify right side
    224,780.70x = 45,718,260,313.77
  5. Step 5: Solve for x
    x = 45,718,260,313.77/224,780.70
  6. Step 6: Final answer
    x = 203,390.51

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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.