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Finding the Fourth Proportional to 262.07, 362.13 and 188.26

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Solution

The fourth proportional to 262.07, 362.13 and 188.26 is: 260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.07 : 362.13 = 188.26 : x
  2. Step 2: Convert to fraction form
    262.07/362.13 = 188.26/x
  3. Step 3: Cross multiply
    262.07x = 362.13 × 188.26
  4. Step 4: Simplify right side
    262.07x = 68,175.05
  5. Step 5: Solve for x
    x = 68,175.05/262.07
  6. Step 6: Final answer
    x = 260.14

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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.