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Finding the Fourth Proportional to 61,192.68, 91,790.04 and 16,819.17

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Solution

The fourth proportional to 61,192.68, 91,790.04 and 16,819.17 is: 25,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.68 : 91,790.04 = 16,819.17 : x
  2. Step 2: Convert to fraction form
    61,192.68/91,790.04 = 16,819.17/x
  3. Step 3: Cross multiply
    61,192.68x = 91,790.04 × 16,819.17
  4. Step 4: Simplify right side
    61,192.68x = 1,543,832,287.07
  5. Step 5: Solve for x
    x = 1,543,832,287.07/61,192.68
  6. Step 6: Final answer
    x = 25,229.04

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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.