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Finding the Fourth Proportional to 181,149.98, 271,700.33 and 68,858.46

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Solution

The fourth proportional to 181,149.98, 271,700.33 and 68,858.46 is: 103,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,149.98 : 271,700.33 = 68,858.46 : x
  2. Step 2: Convert to fraction form
    181,149.98/271,700.33 = 68,858.46/x
  3. Step 3: Cross multiply
    181,149.98x = 271,700.33 × 68,858.46
  4. Step 4: Simplify right side
    181,149.98x = 18,708,865,961.00
  5. Step 5: Solve for x
    x = 18,708,865,961.00/181,149.98
  6. Step 6: Final answer
    x = 103,278.32

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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.