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Finding the Fourth Proportional to 181,141.94, 271,759.04 and 81,339.88

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Solution

The fourth proportional to 181,141.94, 271,759.04 and 81,339.88 is: 122,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,141.94 : 271,759.04 = 81,339.88 : x
  2. Step 2: Convert to fraction form
    181,141.94/271,759.04 = 81,339.88/x
  3. Step 3: Cross multiply
    181,141.94x = 271,759.04 × 81,339.88
  4. Step 4: Simplify right side
    181,141.94x = 22,104,847,702.52
  5. Step 5: Solve for x
    x = 22,104,847,702.52/181,141.94
  6. Step 6: Final answer
    x = 122,030.53

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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.