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Finding the Fourth Proportional to 180,868.80, 271,238.40 and 92,092.80

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Solution

The fourth proportional to 180,868.80, 271,238.40 and 92,092.80 is: 138,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,868.80 : 271,238.40 = 92,092.80 : x
  2. Step 2: Convert to fraction form
    180,868.80/271,238.40 = 92,092.80/x
  3. Step 3: Cross multiply
    180,868.80x = 271,238.40 × 92,092.80
  4. Step 4: Simplify right side
    180,868.80x = 24,979,103,723.52
  5. Step 5: Solve for x
    x = 24,979,103,723.52/180,868.80
  6. Step 6: Final answer
    x = 138,106.21

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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.