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Finding the Fourth Proportional to 176,576.70, 264,865.05 and 156,747.90

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Solution

The fourth proportional to 176,576.70, 264,865.05 and 156,747.90 is: 235,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,576.70 : 264,865.05 = 156,747.90 : x
  2. Step 2: Convert to fraction form
    176,576.70/264,865.05 = 156,747.90/x
  3. Step 3: Cross multiply
    176,576.70x = 264,865.05 × 156,747.90
  4. Step 4: Simplify right side
    176,576.70x = 41,517,040,370.90
  5. Step 5: Solve for x
    x = 41,517,040,370.90/176,576.70
  6. Step 6: Final answer
    x = 235,121.85

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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.