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Finding the Fourth Proportional to 248.99, 373.44 and 94.87

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Solution

The fourth proportional to 248.99, 373.44 and 94.87 is: 142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.99 : 373.44 = 94.87 : x
  2. Step 2: Convert to fraction form
    248.99/373.44 = 94.87/x
  3. Step 3: Cross multiply
    248.99x = 373.44 × 94.87
  4. Step 4: Simplify right side
    248.99x = 35,428.25
  5. Step 5: Solve for x
    x = 35,428.25/248.99
  6. Step 6: Final answer
    x = 142.29

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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.