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Finding the Fourth Proportional to 181,263.88, 271,858.46 and 68,904.68

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Solution

The fourth proportional to 181,263.88, 271,858.46 and 68,904.68 is: 103,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,263.88 : 271,858.46 = 68,904.68 : x
  2. Step 2: Convert to fraction form
    181,263.88/271,858.46 = 68,904.68/x
  3. Step 3: Cross multiply
    181,263.88x = 271,858.46 × 68,904.68
  4. Step 4: Simplify right side
    181,263.88x = 18,732,320,191.59
  5. Step 5: Solve for x
    x = 18,732,320,191.59/181,263.88
  6. Step 6: Final answer
    x = 103,342.82

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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.