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Finding the Fourth Proportional to 192,463.90, 288,149.10 and 181,990.60

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Solution

The fourth proportional to 192,463.90, 288,149.10 and 181,990.60 is: 272,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,463.90 : 288,149.10 = 181,990.60 : x
  2. Step 2: Convert to fraction form
    192,463.90/288,149.10 = 181,990.60/x
  3. Step 3: Cross multiply
    192,463.90x = 288,149.10 × 181,990.60
  4. Step 4: Simplify right side
    192,463.90x = 52,440,427,598.46
  5. Step 5: Solve for x
    x = 52,440,427,598.46/192,463.90
  6. Step 6: Final answer
    x = 272,468.90

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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.