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Finding the Fourth Proportional to 181,240.86, 271,796.58 and 68,891.16

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Solution

The fourth proportional to 181,240.86, 271,796.58 and 68,891.16 is: 103,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,240.86 : 271,796.58 = 68,891.16 : x
  2. Step 2: Convert to fraction form
    181,240.86/271,796.58 = 68,891.16/x
  3. Step 3: Cross multiply
    181,240.86x = 271,796.58 × 68,891.16
  4. Step 4: Simplify right side
    181,240.86x = 18,724,381,680.23
  5. Step 5: Solve for x
    x = 18,724,381,680.23/181,240.86
  6. Step 6: Final answer
    x = 103,312.14

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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.