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Finding the Fourth Proportional to 75,958.84, 113,716.86 and 44,272

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Solution

The fourth proportional to 75,958.84, 113,716.86 and 44,272 is: 66,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.84 : 113,716.86 = 44,272 : x
  2. Step 2: Convert to fraction form
    75,958.84/113,716.86 = 44,272/x
  3. Step 3: Cross multiply
    75,958.84x = 113,716.86 × 44,272
  4. Step 4: Simplify right side
    75,958.84x = 5,034,472,825.92
  5. Step 5: Solve for x
    x = 5,034,472,825.92/75,958.84
  6. Step 6: Final answer
    x = 66,278.96

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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.