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Finding the Fourth Proportional to 117,682.25, 176,521.84 and 28,936.52

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Solution

The fourth proportional to 117,682.25, 176,521.84 and 28,936.52 is: 43,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,682.25 : 176,521.84 = 28,936.52 : x
  2. Step 2: Convert to fraction form
    117,682.25/176,521.84 = 28,936.52/x
  3. Step 3: Cross multiply
    117,682.25x = 176,521.84 × 28,936.52
  4. Step 4: Simplify right side
    117,682.25x = 5,107,928,122.56
  5. Step 5: Solve for x
    x = 5,107,928,122.56/117,682.25
  6. Step 6: Final answer
    x = 43,404.41

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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.