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Finding the Fourth Proportional to 102,450.93, 153,745.49 and 35,891.61

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Solution

The fourth proportional to 102,450.93, 153,745.49 and 35,891.61 is: 53,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,450.93 : 153,745.49 = 35,891.61 : x
  2. Step 2: Convert to fraction form
    102,450.93/153,745.49 = 35,891.61/x
  3. Step 3: Cross multiply
    102,450.93x = 153,745.49 × 35,891.61
  4. Step 4: Simplify right side
    102,450.93x = 5,518,172,679.52
  5. Step 5: Solve for x
    x = 5,518,172,679.52/102,450.93
  6. Step 6: Final answer
    x = 53,861.62

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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.