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Finding the Fourth Proportional to 73,310.88, 109,958.40 and 49,769.76

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Solution

The fourth proportional to 73,310.88, 109,958.40 and 49,769.76 is: 74,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.88 : 109,958.40 = 49,769.76 : x
  2. Step 2: Convert to fraction form
    73,310.88/109,958.40 = 49,769.76/x
  3. Step 3: Cross multiply
    73,310.88x = 109,958.40 × 49,769.76
  4. Step 4: Simplify right side
    73,310.88x = 5,472,603,177.98
  5. Step 5: Solve for x
    x = 5,472,603,177.98/73,310.88
  6. Step 6: Final answer
    x = 74,649.26

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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.