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Finding the Fourth Proportional to 168,439.32, 252,840.96 and 149,838.48

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Solution

The fourth proportional to 168,439.32, 252,840.96 and 149,838.48 is: 224,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.32 : 252,840.96 = 149,838.48 : x
  2. Step 2: Convert to fraction form
    168,439.32/252,840.96 = 149,838.48/x
  3. Step 3: Cross multiply
    168,439.32x = 252,840.96 × 149,838.48
  4. Step 4: Simplify right side
    168,439.32x = 37,885,305,128.14
  5. Step 5: Solve for x
    x = 37,885,305,128.14/168,439.32
  6. Step 6: Final answer
    x = 224,919.60

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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.