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Finding the Fourth Proportional to 181,036.86, 271,579.13 and 67,169.17

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Solution

The fourth proportional to 181,036.86, 271,579.13 and 67,169.17 is: 100,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,036.86 : 271,579.13 = 67,169.17 : x
  2. Step 2: Convert to fraction form
    181,036.86/271,579.13 = 67,169.17/x
  3. Step 3: Cross multiply
    181,036.86x = 271,579.13 × 67,169.17
  4. Step 4: Simplify right side
    181,036.86x = 18,241,745,384.76
  5. Step 5: Solve for x
    x = 18,241,745,384.76/181,036.86
  6. Step 6: Final answer
    x = 100,762.61

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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.