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Finding the Fourth Proportional to 62,198.80, 93,298.30 and 18,922.11

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Solution

The fourth proportional to 62,198.80, 93,298.30 and 18,922.11 is: 28,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,198.80 : 93,298.30 = 18,922.11 : x
  2. Step 2: Convert to fraction form
    62,198.80/93,298.30 = 18,922.11/x
  3. Step 3: Cross multiply
    62,198.80x = 93,298.30 × 18,922.11
  4. Step 4: Simplify right side
    62,198.80x = 1,765,400,600.80
  5. Step 5: Solve for x
    x = 1,765,400,600.80/62,198.80
  6. Step 6: Final answer
    x = 28,383.20

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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.