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Finding the Fourth Proportional to 244.79, 367.20 and 71.46

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Solution

The fourth proportional to 244.79, 367.20 and 71.46 is: 107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.79 : 367.20 = 71.46 : x
  2. Step 2: Convert to fraction form
    244.79/367.20 = 71.46/x
  3. Step 3: Cross multiply
    244.79x = 367.20 × 71.46
  4. Step 4: Simplify right side
    244.79x = 26,239.19
  5. Step 5: Solve for x
    x = 26,239.19/244.79
  6. Step 6: Final answer
    x = 107.19

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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.