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Finding the Fourth Proportional to 115,957.25, 173,933.39 and 31,717.41

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Solution

The fourth proportional to 115,957.25, 173,933.39 and 31,717.41 is: 47,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,957.25 : 173,933.39 = 31,717.41 : x
  2. Step 2: Convert to fraction form
    115,957.25/173,933.39 = 31,717.41/x
  3. Step 3: Cross multiply
    115,957.25x = 173,933.39 × 31,717.41
  4. Step 4: Simplify right side
    115,957.25x = 5,516,716,484.73
  5. Step 5: Solve for x
    x = 5,516,716,484.73/115,957.25
  6. Step 6: Final answer
    x = 47,575.44

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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.