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Finding the Fourth Proportional to 255,214.88, 382,793.13 and 68,240.96

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Solution

The fourth proportional to 255,214.88, 382,793.13 and 68,240.96 is: 102,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.88 : 382,793.13 = 68,240.96 : x
  2. Step 2: Convert to fraction form
    255,214.88/382,793.13 = 68,240.96/x
  3. Step 3: Cross multiply
    255,214.88x = 382,793.13 × 68,240.96
  4. Step 4: Simplify right side
    255,214.88x = 26,122,169,476.38
  5. Step 5: Solve for x
    x = 26,122,169,476.38/255,214.88
  6. Step 6: Final answer
    x = 102,353.63

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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.