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Finding the Fourth Proportional to 237,920.96, 356,934.24 and 71,696.96

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Solution

The fourth proportional to 237,920.96, 356,934.24 and 71,696.96 is: 107,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,920.96 : 356,934.24 = 71,696.96 : x
  2. Step 2: Convert to fraction form
    237,920.96/356,934.24 = 71,696.96/x
  3. Step 3: Cross multiply
    237,920.96x = 356,934.24 × 71,696.96
  4. Step 4: Simplify right side
    237,920.96x = 25,591,099,927.91
  5. Step 5: Solve for x
    x = 25,591,099,927.91/237,920.96
  6. Step 6: Final answer
    x = 107,561.35

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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.