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Finding the Fourth Proportional to 117,093.32, 175,568.78 and 45,930.68

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Solution

The fourth proportional to 117,093.32, 175,568.78 and 45,930.68 is: 68,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,093.32 : 175,568.78 = 45,930.68 : x
  2. Step 2: Convert to fraction form
    117,093.32/175,568.78 = 45,930.68/x
  3. Step 3: Cross multiply
    117,093.32x = 175,568.78 × 45,930.68
  4. Step 4: Simplify right side
    117,093.32x = 8,063,993,452.17
  5. Step 5: Solve for x
    x = 8,063,993,452.17/117,093.32
  6. Step 6: Final answer
    x = 68,868.09

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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.