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Finding the Fourth Proportional to 75,219.28, 103,800.84 and 41,684.56

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Solution

The fourth proportional to 75,219.28, 103,800.84 and 41,684.56 is: 57,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,219.28 : 103,800.84 = 41,684.56 : x
  2. Step 2: Convert to fraction form
    75,219.28/103,800.84 = 41,684.56/x
  3. Step 3: Cross multiply
    75,219.28x = 103,800.84 × 41,684.56
  4. Step 4: Simplify right side
    75,219.28x = 4,326,892,343.03
  5. Step 5: Solve for x
    x = 4,326,892,343.03/75,219.28
  6. Step 6: Final answer
    x = 57,523.71

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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.