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Finding the Fourth Proportional to 235.12, 352.36 and 177.29

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Solution

The fourth proportional to 235.12, 352.36 and 177.29 is: 265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.12 : 352.36 = 177.29 : x
  2. Step 2: Convert to fraction form
    235.12/352.36 = 177.29/x
  3. Step 3: Cross multiply
    235.12x = 352.36 × 177.29
  4. Step 4: Simplify right side
    235.12x = 62,470.67
  5. Step 5: Solve for x
    x = 62,470.67/235.12
  6. Step 6: Final answer
    x = 265.70

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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.