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Finding the Fourth Proportional to 245,440.72, 368,169.24 and 67,932.88

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Solution

The fourth proportional to 245,440.72, 368,169.24 and 67,932.88 is: 101,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,440.72 : 368,169.24 = 67,932.88 : x
  2. Step 2: Convert to fraction form
    245,440.72/368,169.24 = 67,932.88/x
  3. Step 3: Cross multiply
    245,440.72x = 368,169.24 × 67,932.88
  4. Step 4: Simplify right side
    245,440.72x = 25,010,796,800.61
  5. Step 5: Solve for x
    x = 25,010,796,800.61/245,440.72
  6. Step 6: Final answer
    x = 101,901.58

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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.