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Finding the Fourth Proportional to 240,640.85, 361,316.09 and 134,232.71

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Solution

The fourth proportional to 240,640.85, 361,316.09 and 134,232.71 is: 201,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,640.85 : 361,316.09 = 134,232.71 : x
  2. Step 2: Convert to fraction form
    240,640.85/361,316.09 = 134,232.71/x
  3. Step 3: Cross multiply
    240,640.85x = 361,316.09 × 134,232.71
  4. Step 4: Simplify right side
    240,640.85x = 48,500,436,456.31
  5. Step 5: Solve for x
    x = 48,500,436,456.31/240,640.85
  6. Step 6: Final answer
    x = 201,546.98

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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.