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Finding the Fourth Proportional to 237,937.75, 356,889.92 and 111,605.70

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Solution

The fourth proportional to 237,937.75, 356,889.92 and 111,605.70 is: 167,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,937.75 : 356,889.92 = 111,605.70 : x
  2. Step 2: Convert to fraction form
    237,937.75/356,889.92 = 111,605.70/x
  3. Step 3: Cross multiply
    237,937.75x = 356,889.92 × 111,605.70
  4. Step 4: Simplify right side
    237,937.75x = 39,830,949,344.54
  5. Step 5: Solve for x
    x = 39,830,949,344.54/237,937.75
  6. Step 6: Final answer
    x = 167,400.71

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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.