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Finding the Fourth Proportional to 60,906.96, 91,138.98 and 50,278.14

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Solution

The fourth proportional to 60,906.96, 91,138.98 and 50,278.14 is: 75,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,906.96 : 91,138.98 = 50,278.14 : x
  2. Step 2: Convert to fraction form
    60,906.96/91,138.98 = 50,278.14/x
  3. Step 3: Cross multiply
    60,906.96x = 91,138.98 × 50,278.14
  4. Step 4: Simplify right side
    60,906.96x = 4,582,298,395.90
  5. Step 5: Solve for x
    x = 4,582,298,395.90/60,906.96
  6. Step 6: Final answer
    x = 75,234.40

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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.