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Finding the Fourth Proportional to 236.24, 354.38 and 62.90

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Solution

The fourth proportional to 236.24, 354.38 and 62.90 is: 94.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.24 : 354.38 = 62.90 : x
  2. Step 2: Convert to fraction form
    236.24/354.38 = 62.90/x
  3. Step 3: Cross multiply
    236.24x = 354.38 × 62.90
  4. Step 4: Simplify right side
    236.24x = 22,290.50
  5. Step 5: Solve for x
    x = 22,290.50/236.24
  6. Step 6: Final answer
    x = 94.36

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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.