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Finding the Fourth Proportional to 98,797.28, 148,169.49 and 27,715.68

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Solution

The fourth proportional to 98,797.28, 148,169.49 and 27,715.68 is: 41,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.28 : 148,169.49 = 27,715.68 : x
  2. Step 2: Convert to fraction form
    98,797.28/148,169.49 = 27,715.68/x
  3. Step 3: Cross multiply
    98,797.28x = 148,169.49 × 27,715.68
  4. Step 4: Simplify right side
    98,797.28x = 4,106,618,170.60
  5. Step 5: Solve for x
    x = 4,106,618,170.60/98,797.28
  6. Step 6: Final answer
    x = 41,566.11

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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.