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Finding the Fourth Proportional to 181,282.64, 271,872.12 and 92,480.72

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Solution

The fourth proportional to 181,282.64, 271,872.12 and 92,480.72 is: 138,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,282.64 : 271,872.12 = 92,480.72 : x
  2. Step 2: Convert to fraction form
    181,282.64/271,872.12 = 92,480.72/x
  3. Step 3: Cross multiply
    181,282.64x = 271,872.12 × 92,480.72
  4. Step 4: Simplify right side
    181,282.64x = 25,142,929,405.53
  5. Step 5: Solve for x
    x = 25,142,929,405.53/181,282.64
  6. Step 6: Final answer
    x = 138,694.63

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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.