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Finding the Fourth Proportional to 176,471.16, 264,557.76 and 76,556.04

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Solution

The fourth proportional to 176,471.16, 264,557.76 and 76,556.04 is: 114,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,471.16 : 264,557.76 = 76,556.04 : x
  2. Step 2: Convert to fraction form
    176,471.16/264,557.76 = 76,556.04/x
  3. Step 3: Cross multiply
    176,471.16x = 264,557.76 × 76,556.04
  4. Step 4: Simplify right side
    176,471.16x = 20,253,494,456.87
  5. Step 5: Solve for x
    x = 20,253,494,456.87/176,471.16
  6. Step 6: Final answer
    x = 114,769.43

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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.