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Finding the Fourth Proportional to 107,446.67, 161,169.82 and 28,560.90

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Solution

The fourth proportional to 107,446.67, 161,169.82 and 28,560.90 is: 42,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,446.67 : 161,169.82 = 28,560.90 : x
  2. Step 2: Convert to fraction form
    107,446.67/161,169.82 = 28,560.90/x
  3. Step 3: Cross multiply
    107,446.67x = 161,169.82 × 28,560.90
  4. Step 4: Simplify right side
    107,446.67x = 4,603,155,112.04
  5. Step 5: Solve for x
    x = 4,603,155,112.04/107,446.67
  6. Step 6: Final answer
    x = 42,841.30

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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.