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Finding the Fourth Proportional to 176,550.76, 264,471.56 and 81,647.92

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Solution

The fourth proportional to 176,550.76, 264,471.56 and 81,647.92 is: 122,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,550.76 : 264,471.56 = 81,647.92 : x
  2. Step 2: Convert to fraction form
    176,550.76/264,471.56 = 81,647.92/x
  3. Step 3: Cross multiply
    176,550.76x = 264,471.56 × 81,647.92
  4. Step 4: Simplify right side
    176,550.76x = 21,593,551,042.56
  5. Step 5: Solve for x
    x = 21,593,551,042.56/176,550.76
  6. Step 6: Final answer
    x = 122,307.89

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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.