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Finding the Fourth Proportional to 67,604.80, 101,320.80 and 51,944.80

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Solution

The fourth proportional to 67,604.80, 101,320.80 and 51,944.80 is: 77,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,604.80 : 101,320.80 = 51,944.80 : x
  2. Step 2: Convert to fraction form
    67,604.80/101,320.80 = 51,944.80/x
  3. Step 3: Cross multiply
    67,604.80x = 101,320.80 × 51,944.80
  4. Step 4: Simplify right side
    67,604.80x = 5,263,088,691.84
  5. Step 5: Solve for x
    x = 5,263,088,691.84/67,604.80
  6. Step 6: Final answer
    x = 77,850.81

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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.