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Finding the Fourth Proportional to 269.04, 403.52 and 98

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Solution

The fourth proportional to 269.04, 403.52 and 98 is: 146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.04 : 403.52 = 98 : x
  2. Step 2: Convert to fraction form
    269.04/403.52 = 98/x
  3. Step 3: Cross multiply
    269.04x = 403.52 × 98
  4. Step 4: Simplify right side
    269.04x = 39,544.96
  5. Step 5: Solve for x
    x = 39,544.96/269.04
  6. Step 6: Final answer
    x = 146.99

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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.