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Finding the Fourth Proportional to 108,614.97, 162,922.56 and 45,400.47

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Solution

The fourth proportional to 108,614.97, 162,922.56 and 45,400.47 is: 68,100.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,614.97 : 162,922.56 = 45,400.47 : x
  2. Step 2: Convert to fraction form
    108,614.97/162,922.56 = 45,400.47/x
  3. Step 3: Cross multiply
    108,614.97x = 162,922.56 × 45,400.47
  4. Step 4: Simplify right side
    108,614.97x = 7,396,760,797.60
  5. Step 5: Solve for x
    x = 7,396,760,797.60/108,614.97
  6. Step 6: Final answer
    x = 68,100.75

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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.