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Finding the Fourth Proportional to 168,248.44, 252,484.89 and 87,270.09

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Solution

The fourth proportional to 168,248.44, 252,484.89 and 87,270.09 is: 130,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,248.44 : 252,484.89 = 87,270.09 : x
  2. Step 2: Convert to fraction form
    168,248.44/252,484.89 = 87,270.09/x
  3. Step 3: Cross multiply
    168,248.44x = 252,484.89 × 87,270.09
  4. Step 4: Simplify right side
    168,248.44x = 22,034,380,175.65
  5. Step 5: Solve for x
    x = 22,034,380,175.65/168,248.44
  6. Step 6: Final answer
    x = 130,963.36

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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.