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Finding the Fourth Proportional to 117,765.44, 176,568.24 and 59,920.56

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Solution

The fourth proportional to 117,765.44, 176,568.24 and 59,920.56 is: 89,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.44 : 176,568.24 = 59,920.56 : x
  2. Step 2: Convert to fraction form
    117,765.44/176,568.24 = 59,920.56/x
  3. Step 3: Cross multiply
    117,765.44x = 176,568.24 × 59,920.56
  4. Step 4: Simplify right side
    117,765.44x = 10,580,067,819.01
  5. Step 5: Solve for x
    x = 10,580,067,819.01/117,765.44
  6. Step 6: Final answer
    x = 89,840.18

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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.