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Finding the Fourth Proportional to 245,792.61, 368,708.94 and 68,299.65

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Solution

The fourth proportional to 245,792.61, 368,708.94 and 68,299.65 is: 102,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,792.61 : 368,708.94 = 68,299.65 : x
  2. Step 2: Convert to fraction form
    245,792.61/368,708.94 = 68,299.65/x
  3. Step 3: Cross multiply
    245,792.61x = 368,708.94 × 68,299.65
  4. Step 4: Simplify right side
    245,792.61x = 25,182,691,553.87
  5. Step 5: Solve for x
    x = 25,182,691,553.87/245,792.61
  6. Step 6: Final answer
    x = 102,455.04

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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.