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Finding the Fourth Proportional to 75,155.20, 103,697.20 and 44,935.52

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Solution

The fourth proportional to 75,155.20, 103,697.20 and 44,935.52 is: 62,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,155.20 : 103,697.20 = 44,935.52 : x
  2. Step 2: Convert to fraction form
    75,155.20/103,697.20 = 44,935.52/x
  3. Step 3: Cross multiply
    75,155.20x = 103,697.20 × 44,935.52
  4. Step 4: Simplify right side
    75,155.20x = 4,659,687,604.54
  5. Step 5: Solve for x
    x = 4,659,687,604.54/75,155.20
  6. Step 6: Final answer
    x = 62,000.87

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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.