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Finding the Fourth Proportional to 77,951.56, 116,928.78 and 25,360.84

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Solution

The fourth proportional to 77,951.56, 116,928.78 and 25,360.84 is: 38,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,951.56 : 116,928.78 = 25,360.84 : x
  2. Step 2: Convert to fraction form
    77,951.56/116,928.78 = 25,360.84/x
  3. Step 3: Cross multiply
    77,951.56x = 116,928.78 × 25,360.84
  4. Step 4: Simplify right side
    77,951.56x = 2,965,412,080.98
  5. Step 5: Solve for x
    x = 2,965,412,080.98/77,951.56
  6. Step 6: Final answer
    x = 38,041.73

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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.