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Finding the Fourth Proportional to 255,910.32, 353,042.13 and 148,418.04

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Solution

The fourth proportional to 255,910.32, 353,042.13 and 148,418.04 is: 204,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,910.32 : 353,042.13 = 148,418.04 : x
  2. Step 2: Convert to fraction form
    255,910.32/353,042.13 = 148,418.04/x
  3. Step 3: Cross multiply
    255,910.32x = 353,042.13 × 148,418.04
  4. Step 4: Simplify right side
    255,910.32x = 52,397,820,972.03
  5. Step 5: Solve for x
    x = 52,397,820,972.03/255,910.32
  6. Step 6: Final answer
    x = 204,750.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.