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Finding the Fourth Proportional to 117,324.39, 176,019.39 and 38,493.97

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Solution

The fourth proportional to 117,324.39, 176,019.39 and 38,493.97 is: 57,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,324.39 : 176,019.39 = 38,493.97 : x
  2. Step 2: Convert to fraction form
    117,324.39/176,019.39 = 38,493.97/x
  3. Step 3: Cross multiply
    117,324.39x = 176,019.39 × 38,493.97
  4. Step 4: Simplify right side
    117,324.39x = 6,775,685,118.08
  5. Step 5: Solve for x
    x = 6,775,685,118.08/117,324.39
  6. Step 6: Final answer
    x = 57,751.72

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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.