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Finding the Fourth Proportional to 181,026.85, 271,614.11 and 145,818.88

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Solution

The fourth proportional to 181,026.85, 271,614.11 and 145,818.88 is: 218,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,026.85 : 271,614.11 = 145,818.88 : x
  2. Step 2: Convert to fraction form
    181,026.85/271,614.11 = 145,818.88/x
  3. Step 3: Cross multiply
    181,026.85x = 271,614.11 × 145,818.88
  4. Step 4: Simplify right side
    181,026.85x = 39,606,466,252.33
  5. Step 5: Solve for x
    x = 39,606,466,252.33/181,026.85
  6. Step 6: Final answer
    x = 218,787.80

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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.