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Finding the Fourth Proportional to 114,178.44, 171,149.94 and 47,657.28

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Solution

The fourth proportional to 114,178.44, 171,149.94 and 47,657.28 is: 71,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,178.44 : 171,149.94 = 47,657.28 : x
  2. Step 2: Convert to fraction form
    114,178.44/171,149.94 = 47,657.28/x
  3. Step 3: Cross multiply
    114,178.44x = 171,149.94 × 47,657.28
  4. Step 4: Simplify right side
    114,178.44x = 8,156,540,612.56
  5. Step 5: Solve for x
    x = 8,156,540,612.56/114,178.44
  6. Step 6: Final answer
    x = 71,436.78

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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.