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Finding the Fourth Proportional to 181,295.82, 271,850.27 and 81,370.35

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Solution

The fourth proportional to 181,295.82, 271,850.27 and 81,370.35 is: 122,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,295.82 : 271,850.27 = 81,370.35 : x
  2. Step 2: Convert to fraction form
    181,295.82/271,850.27 = 81,370.35/x
  3. Step 3: Cross multiply
    181,295.82x = 271,850.27 × 81,370.35
  4. Step 4: Simplify right side
    181,295.82x = 22,120,551,210.64
  5. Step 5: Solve for x
    x = 22,120,551,210.64/181,295.82
  6. Step 6: Final answer
    x = 122,013.58

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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.