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Finding the Fourth Proportional to 181,179.68, 271,732.64 and 68,820.52

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Solution

The fourth proportional to 181,179.68, 271,732.64 and 68,820.52 is: 103,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,179.68 : 271,732.64 = 68,820.52 : x
  2. Step 2: Convert to fraction form
    181,179.68/271,732.64 = 68,820.52/x
  3. Step 3: Cross multiply
    181,179.68x = 271,732.64 × 68,820.52
  4. Step 4: Simplify right side
    181,179.68x = 18,700,781,585.77
  5. Step 5: Solve for x
    x = 18,700,781,585.77/181,179.68
  6. Step 6: Final answer
    x = 103,216.77

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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.