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Finding the Fourth Proportional to 224,481.42, 336,685.50 and 91,356.30

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Solution

The fourth proportional to 224,481.42, 336,685.50 and 91,356.30 is: 137,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,481.42 : 336,685.50 = 91,356.30 : x
  2. Step 2: Convert to fraction form
    224,481.42/336,685.50 = 91,356.30/x
  3. Step 3: Cross multiply
    224,481.42x = 336,685.50 × 91,356.30
  4. Step 4: Simplify right side
    224,481.42x = 30,758,341,543.65
  5. Step 5: Solve for x
    x = 30,758,341,543.65/224,481.42
  6. Step 6: Final answer
    x = 137,019.54

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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.