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Finding the Fourth Proportional to 117,699.75, 176,627.39 and 55,375.11

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Solution

The fourth proportional to 117,699.75, 176,627.39 and 55,375.11 is: 83,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,699.75 : 176,627.39 = 55,375.11 : x
  2. Step 2: Convert to fraction form
    117,699.75/176,627.39 = 55,375.11/x
  3. Step 3: Cross multiply
    117,699.75x = 176,627.39 × 55,375.11
  4. Step 4: Simplify right side
    117,699.75x = 9,780,760,873.39
  5. Step 5: Solve for x
    x = 9,780,760,873.39/117,699.75
  6. Step 6: Final answer
    x = 83,099.25

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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.