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Finding the Fourth Proportional to 95,191.20, 142,660.80 and 50,722.20

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Solution

The fourth proportional to 95,191.20, 142,660.80 and 50,722.20 is: 76,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,191.20 : 142,660.80 = 50,722.20 : x
  2. Step 2: Convert to fraction form
    95,191.20/142,660.80 = 50,722.20/x
  3. Step 3: Cross multiply
    95,191.20x = 142,660.80 × 50,722.20
  4. Step 4: Simplify right side
    95,191.20x = 7,236,069,629.76
  5. Step 5: Solve for x
    x = 7,236,069,629.76/95,191.20
  6. Step 6: Final answer
    x = 76,016.16

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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.