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Finding the Fourth Proportional to 176,535.66, 264,654.21 and 76,620.75

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Solution

The fourth proportional to 176,535.66, 264,654.21 and 76,620.75 is: 114,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,535.66 : 264,654.21 = 76,620.75 : x
  2. Step 2: Convert to fraction form
    176,535.66/264,654.21 = 76,620.75/x
  3. Step 3: Cross multiply
    176,535.66x = 264,654.21 × 76,620.75
  4. Step 4: Simplify right side
    176,535.66x = 20,278,004,060.86
  5. Step 5: Solve for x
    x = 20,278,004,060.86/176,535.66
  6. Step 6: Final answer
    x = 114,866.33

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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.