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Finding the Fourth Proportional to 97.36, 146.12 and 46.07

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Solution

The fourth proportional to 97.36, 146.12 and 46.07 is: 69.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.36 : 146.12 = 46.07 : x
  2. Step 2: Convert to fraction form
    97.36/146.12 = 46.07/x
  3. Step 3: Cross multiply
    97.36x = 146.12 × 46.07
  4. Step 4: Simplify right side
    97.36x = 6,731.75
  5. Step 5: Solve for x
    x = 6,731.75/97.36
  6. Step 6: Final answer
    x = 69.14

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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.