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Finding the Fourth Proportional to 110,469.20, 152,447.42 and 60,168.20

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Solution

The fourth proportional to 110,469.20, 152,447.42 and 60,168.20 is: 83,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,469.20 : 152,447.42 = 60,168.20 : x
  2. Step 2: Convert to fraction form
    110,469.20/152,447.42 = 60,168.20/x
  3. Step 3: Cross multiply
    110,469.20x = 152,447.42 × 60,168.20
  4. Step 4: Simplify right side
    110,469.20x = 9,172,486,856.04
  5. Step 5: Solve for x
    x = 9,172,486,856.04/110,469.20
  6. Step 6: Final answer
    x = 83,032.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.