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Finding the Fourth Proportional to 97.44, 146.04 and 43.34

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Solution

The fourth proportional to 97.44, 146.04 and 43.34 is: 64.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.44 : 146.04 = 43.34 : x
  2. Step 2: Convert to fraction form
    97.44/146.04 = 43.34/x
  3. Step 3: Cross multiply
    97.44x = 146.04 × 43.34
  4. Step 4: Simplify right side
    97.44x = 6,329.37
  5. Step 5: Solve for x
    x = 6,329.37/97.44
  6. Step 6: Final answer
    x = 64.96

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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.