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Finding the Fourth Proportional to 239,751.92, 357,804.82 and 213,180.56

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Solution

The fourth proportional to 239,751.92, 357,804.82 and 213,180.56 is: 318,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,751.92 : 357,804.82 = 213,180.56 : x
  2. Step 2: Convert to fraction form
    239,751.92/357,804.82 = 213,180.56/x
  3. Step 3: Cross multiply
    239,751.92x = 357,804.82 × 213,180.56
  4. Step 4: Simplify right side
    239,751.92x = 76,277,031,898.30
  5. Step 5: Solve for x
    x = 76,277,031,898.30/239,751.92
  6. Step 6: Final answer
    x = 318,149.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.