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Finding the Fourth Proportional to 248.99, 373.59 and 133.52

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Solution

The fourth proportional to 248.99, 373.59 and 133.52 is: 200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.99 : 373.59 = 133.52 : x
  2. Step 2: Convert to fraction form
    248.99/373.59 = 133.52/x
  3. Step 3: Cross multiply
    248.99x = 373.59 × 133.52
  4. Step 4: Simplify right side
    248.99x = 49,879.87
  5. Step 5: Solve for x
    x = 49,879.87/248.99
  6. Step 6: Final answer
    x = 200.33

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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.