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Finding the Fourth Proportional to 176,525.87, 264,760.90 and 76,659.25

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Solution

The fourth proportional to 176,525.87, 264,760.90 and 76,659.25 is: 114,976.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,525.87 : 264,760.90 = 76,659.25 : x
  2. Step 2: Convert to fraction form
    176,525.87/264,760.90 = 76,659.25/x
  3. Step 3: Cross multiply
    176,525.87x = 264,760.90 × 76,659.25
  4. Step 4: Simplify right side
    176,525.87x = 20,296,371,640.03
  5. Step 5: Solve for x
    x = 20,296,371,640.03/176,525.87
  6. Step 6: Final answer
    x = 114,976.75

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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.