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Finding the Fourth Proportional to 192.62, 266.30 and 146.10

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Solution

The fourth proportional to 192.62, 266.30 and 146.10 is: 201.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.62 : 266.30 = 146.10 : x
  2. Step 2: Convert to fraction form
    192.62/266.30 = 146.10/x
  3. Step 3: Cross multiply
    192.62x = 266.30 × 146.10
  4. Step 4: Simplify right side
    192.62x = 38,905.70
  5. Step 5: Solve for x
    x = 38,905.70/192.62
  6. Step 6: Final answer
    x = 201.99

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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.