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Finding the Fourth Proportional to 117,559.76, 176,380.60 and 43,708.88

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Solution

The fourth proportional to 117,559.76, 176,380.60 and 43,708.88 is: 65,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,559.76 : 176,380.60 = 43,708.88 : x
  2. Step 2: Convert to fraction form
    117,559.76/176,380.60 = 43,708.88/x
  3. Step 3: Cross multiply
    117,559.76x = 176,380.60 × 43,708.88
  4. Step 4: Simplify right side
    117,559.76x = 7,709,398,479.73
  5. Step 5: Solve for x
    x = 7,709,398,479.73/117,559.76
  6. Step 6: Final answer
    x = 65,578.55

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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.