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Finding the Fourth Proportional to 275,507.25, 413,260.89 and 109,295.25

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Solution

The fourth proportional to 275,507.25, 413,260.89 and 109,295.25 is: 163,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,507.25 : 413,260.89 = 109,295.25 : x
  2. Step 2: Convert to fraction form
    275,507.25/413,260.89 = 109,295.25/x
  3. Step 3: Cross multiply
    275,507.25x = 413,260.89 × 109,295.25
  4. Step 4: Simplify right side
    275,507.25x = 45,167,452,287.77
  5. Step 5: Solve for x
    x = 45,167,452,287.77/275,507.25
  6. Step 6: Final answer
    x = 163,942.88

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Similar ratio
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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.