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Finding the Fourth Proportional to 262.79, 362.66 and 146.36

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Solution

The fourth proportional to 262.79, 362.66 and 146.36 is: 201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.79 : 362.66 = 146.36 : x
  2. Step 2: Convert to fraction form
    262.79/362.66 = 146.36/x
  3. Step 3: Cross multiply
    262.79x = 362.66 × 146.36
  4. Step 4: Simplify right side
    262.79x = 53,078.92
  5. Step 5: Solve for x
    x = 53,078.92/262.79
  6. Step 6: Final answer
    x = 201.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.