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Finding the Fourth Proportional to 117,559.76, 162,232.41 and 63,844.79

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Solution

The fourth proportional to 117,559.76, 162,232.41 and 63,844.79 is: 88,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,559.76 : 162,232.41 = 63,844.79 : x
  2. Step 2: Convert to fraction form
    117,559.76/162,232.41 = 63,844.79/x
  3. Step 3: Cross multiply
    117,559.76x = 162,232.41 × 63,844.79
  4. Step 4: Simplify right side
    117,559.76x = 10,357,693,336.48
  5. Step 5: Solve for x
    x = 10,357,693,336.48/117,559.76
  6. Step 6: Final answer
    x = 88,105.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.