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Finding the Fourth Proportional to 97.37, 146.06 and 43.26

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Solution

The fourth proportional to 97.37, 146.06 and 43.26 is: 64.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.37 : 146.06 = 43.26 : x
  2. Step 2: Convert to fraction form
    97.37/146.06 = 43.26/x
  3. Step 3: Cross multiply
    97.37x = 146.06 × 43.26
  4. Step 4: Simplify right side
    97.37x = 6,317.61
  5. Step 5: Solve for x
    x = 6,317.61/97.37
  6. Step 6: Final answer
    x = 64.88

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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.