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Finding the Fourth Proportional to 150,959.79, 226,447.38 and 38,640.96

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Solution

The fourth proportional to 150,959.79, 226,447.38 and 38,640.96 is: 57,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,959.79 : 226,447.38 = 38,640.96 : x
  2. Step 2: Convert to fraction form
    150,959.79/226,447.38 = 38,640.96/x
  3. Step 3: Cross multiply
    150,959.79x = 226,447.38 × 38,640.96
  4. Step 4: Simplify right side
    150,959.79x = 8,750,144,152.68
  5. Step 5: Solve for x
    x = 8,750,144,152.68/150,959.79
  6. Step 6: Final answer
    x = 57,963.41

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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.