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Finding the Fourth Proportional to 98,830.80, 148,246.20 and 27,753.30

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Solution

The fourth proportional to 98,830.80, 148,246.20 and 27,753.30 is: 41,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.80 : 148,246.20 = 27,753.30 : x
  2. Step 2: Convert to fraction form
    98,830.80/148,246.20 = 27,753.30/x
  3. Step 3: Cross multiply
    98,830.80x = 148,246.20 × 27,753.30
  4. Step 4: Simplify right side
    98,830.80x = 4,114,321,262.46
  5. Step 5: Solve for x
    x = 4,114,321,262.46/98,830.80
  6. Step 6: Final answer
    x = 41,629.95

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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.