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Finding the Fourth Proportional to 237,630.80, 356,433.24 and 79,842.80

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Solution

The fourth proportional to 237,630.80, 356,433.24 and 79,842.80 is: 119,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,630.80 : 356,433.24 = 79,842.80 : x
  2. Step 2: Convert to fraction form
    237,630.80/356,433.24 = 79,842.80/x
  3. Step 3: Cross multiply
    237,630.80x = 356,433.24 × 79,842.80
  4. Step 4: Simplify right side
    237,630.80x = 28,458,627,894.67
  5. Step 5: Solve for x
    x = 28,458,627,894.67/237,630.80
  6. Step 6: Final answer
    x = 119,759.85

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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.