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Finding the Fourth Proportional to 114,156.44, 171,235.84 and 50,979.78

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Solution

The fourth proportional to 114,156.44, 171,235.84 and 50,979.78 is: 76,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,156.44 : 171,235.84 = 50,979.78 : x
  2. Step 2: Convert to fraction form
    114,156.44/171,235.84 = 50,979.78/x
  3. Step 3: Cross multiply
    114,156.44x = 171,235.84 × 50,979.78
  4. Step 4: Simplify right side
    114,156.44x = 8,729,565,451.32
  5. Step 5: Solve for x
    x = 8,729,565,451.32/114,156.44
  6. Step 6: Final answer
    x = 76,470.20

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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.