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Finding the Fourth Proportional to 275,126.01, 412,689.62 and 75,449.26

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Solution

The fourth proportional to 275,126.01, 412,689.62 and 75,449.26 is: 113,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,126.01 : 412,689.62 = 75,449.26 : x
  2. Step 2: Convert to fraction form
    275,126.01/412,689.62 = 75,449.26/x
  3. Step 3: Cross multiply
    275,126.01x = 412,689.62 × 75,449.26
  4. Step 4: Simplify right side
    275,126.01x = 31,137,126,438.68
  5. Step 5: Solve for x
    x = 31,137,126,438.68/275,126.01
  6. Step 6: Final answer
    x = 113,174.06

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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.