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Finding the Fourth Proportional to 118,405.65, 177,452.96 and 56,093.97

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Solution

The fourth proportional to 118,405.65, 177,452.96 and 56,093.97 is: 84,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,405.65 : 177,452.96 = 56,093.97 : x
  2. Step 2: Convert to fraction form
    118,405.65/177,452.96 = 56,093.97/x
  3. Step 3: Cross multiply
    118,405.65x = 177,452.96 × 56,093.97
  4. Step 4: Simplify right side
    118,405.65x = 9,954,040,734.18
  5. Step 5: Solve for x
    x = 9,954,040,734.18/118,405.65
  6. Step 6: Final answer
    x = 84,067.28

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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.