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Finding the Fourth Proportional to 108,221.62, 162,245.01 and 45,089.29

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Solution

The fourth proportional to 108,221.62, 162,245.01 and 45,089.29 is: 67,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,221.62 : 162,245.01 = 45,089.29 : x
  2. Step 2: Convert to fraction form
    108,221.62/162,245.01 = 45,089.29/x
  3. Step 3: Cross multiply
    108,221.62x = 162,245.01 × 45,089.29
  4. Step 4: Simplify right side
    108,221.62x = 7,315,512,306.94
  5. Step 5: Solve for x
    x = 7,315,512,306.94/108,221.62
  6. Step 6: Final answer
    x = 67,597.51

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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.