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Finding the Fourth Proportional to 170,418.40, 255,910.96 and 106,524.52

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Solution

The fourth proportional to 170,418.40, 255,910.96 and 106,524.52 is: 159,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,418.40 : 255,910.96 = 106,524.52 : x
  2. Step 2: Convert to fraction form
    170,418.40/255,910.96 = 106,524.52/x
  3. Step 3: Cross multiply
    170,418.40x = 255,910.96 × 106,524.52
  4. Step 4: Simplify right side
    170,418.40x = 27,260,791,670.12
  5. Step 5: Solve for x
    x = 27,260,791,670.12/170,418.40
  6. Step 6: Final answer
    x = 159,963.90

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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.