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Finding the Fourth Proportional to 181,318.26, 271,883.53 and 81,392.41

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Solution

The fourth proportional to 181,318.26, 271,883.53 and 81,392.41 is: 122,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,318.26 : 271,883.53 = 81,392.41 : x
  2. Step 2: Convert to fraction form
    181,318.26/271,883.53 = 81,392.41/x
  3. Step 3: Cross multiply
    181,318.26x = 271,883.53 × 81,392.41
  4. Step 4: Simplify right side
    181,318.26x = 22,129,255,746.01
  5. Step 5: Solve for x
    x = 22,129,255,746.01/181,318.26
  6. Step 6: Final answer
    x = 122,046.48

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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.