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Finding the Fourth Proportional to 176,572.70, 264,859.05 and 156,743.90

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Solution

The fourth proportional to 176,572.70, 264,859.05 and 156,743.90 is: 235,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,572.70 : 264,859.05 = 156,743.90 : x
  2. Step 2: Convert to fraction form
    176,572.70/264,859.05 = 156,743.90/x
  3. Step 3: Cross multiply
    176,572.70x = 264,859.05 × 156,743.90
  4. Step 4: Simplify right side
    176,572.70x = 41,515,040,447.30
  5. Step 5: Solve for x
    x = 41,515,040,447.30/176,572.70
  6. Step 6: Final answer
    x = 235,115.85

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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.