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Finding the Fourth Proportional to 176,188.44, 264,249.76 and 81,414.92

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Solution

The fourth proportional to 176,188.44, 264,249.76 and 81,414.92 is: 122,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,188.44 : 264,249.76 = 81,414.92 : x
  2. Step 2: Convert to fraction form
    176,188.44/264,249.76 = 81,414.92/x
  3. Step 3: Cross multiply
    176,188.44x = 264,249.76 × 81,414.92
  4. Step 4: Simplify right side
    176,188.44x = 21,513,873,070.42
  5. Step 5: Solve for x
    x = 21,513,873,070.42/176,188.44
  6. Step 6: Final answer
    x = 122,107.18

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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.