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Finding the Fourth Proportional to 60,139.96, 90,279.76 and 35,197.92

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Solution

The fourth proportional to 60,139.96, 90,279.76 and 35,197.92 is: 52,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,139.96 : 90,279.76 = 35,197.92 : x
  2. Step 2: Convert to fraction form
    60,139.96/90,279.76 = 35,197.92/x
  3. Step 3: Cross multiply
    60,139.96x = 90,279.76 × 35,197.92
  4. Step 4: Simplify right side
    60,139.96x = 3,177,659,770.10
  5. Step 5: Solve for x
    x = 3,177,659,770.10/60,139.96
  6. Step 6: Final answer
    x = 52,837.74

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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.