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Finding the Fourth Proportional to 173,692.62, 260,521.20 and 117,891.27

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Solution

The fourth proportional to 173,692.62, 260,521.20 and 117,891.27 is: 176,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,692.62 : 260,521.20 = 117,891.27 : x
  2. Step 2: Convert to fraction form
    173,692.62/260,521.20 = 117,891.27/x
  3. Step 3: Cross multiply
    173,692.62x = 260,521.20 × 117,891.27
  4. Step 4: Simplify right side
    173,692.62x = 30,713,175,129.92
  5. Step 5: Solve for x
    x = 30,713,175,129.92/173,692.62
  6. Step 6: Final answer
    x = 176,824.87

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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.