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Finding the Fourth Proportional to 75,856.55, 113,749.61 and 44,275.73

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Solution

The fourth proportional to 75,856.55, 113,749.61 and 44,275.73 is: 66,393.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.55 : 113,749.61 = 44,275.73 : x
  2. Step 2: Convert to fraction form
    75,856.55/113,749.61 = 44,275.73/x
  3. Step 3: Cross multiply
    75,856.55x = 113,749.61 × 44,275.73
  4. Step 4: Simplify right side
    75,856.55x = 5,036,346,229.84
  5. Step 5: Solve for x
    x = 5,036,346,229.84/75,856.55
  6. Step 6: Final answer
    x = 66,393.03

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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.