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Finding the Fourth Proportional to 181,424.80, 271,910.40 and 92,713.60

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Solution

The fourth proportional to 181,424.80, 271,910.40 and 92,713.60 is: 138,954.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,424.80 : 271,910.40 = 92,713.60 : x
  2. Step 2: Convert to fraction form
    181,424.80/271,910.40 = 92,713.60/x
  3. Step 3: Cross multiply
    181,424.80x = 271,910.40 × 92,713.60
  4. Step 4: Simplify right side
    181,424.80x = 25,209,792,061.44
  5. Step 5: Solve for x
    x = 25,209,792,061.44/181,424.80
  6. Step 6: Final answer
    x = 138,954.50

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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.