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Finding the Fourth Proportional to 236.01, 352.65 and 143.98

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Solution

The fourth proportional to 236.01, 352.65 and 143.98 is: 215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.01 : 352.65 = 143.98 : x
  2. Step 2: Convert to fraction form
    236.01/352.65 = 143.98/x
  3. Step 3: Cross multiply
    236.01x = 352.65 × 143.98
  4. Step 4: Simplify right side
    236.01x = 50,774.21
  5. Step 5: Solve for x
    x = 50,774.21/236.01
  6. Step 6: Final answer
    x = 215.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.