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Finding the Fourth Proportional to 245,870.52, 368,806.19 and 68,377.65

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Solution

The fourth proportional to 245,870.52, 368,806.19 and 68,377.65 is: 102,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,870.52 : 368,806.19 = 68,377.65 : x
  2. Step 2: Convert to fraction form
    245,870.52/368,806.19 = 68,377.65/x
  3. Step 3: Cross multiply
    245,870.52x = 368,806.19 × 68,377.65
  4. Step 4: Simplify right side
    245,870.52x = 25,218,100,235.77
  5. Step 5: Solve for x
    x = 25,218,100,235.77/245,870.52
  6. Step 6: Final answer
    x = 102,566.59

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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.