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Finding the Fourth Proportional to 146, 219 and 98.03

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Solution

The fourth proportional to 146, 219 and 98.03 is: 147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146 : 219 = 98.03 : x
  2. Step 2: Convert to fraction form
    146/219 = 98.03/x
  3. Step 3: Cross multiply
    146x = 219 × 98.03
  4. Step 4: Simplify right side
    146x = 21,468.57
  5. Step 5: Solve for x
    x = 21,468.57/146
  6. Step 6: Final answer
    x = 147.05

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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.