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Finding the Fourth Proportional to 235.88, 325.62 and 177.68

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Solution

The fourth proportional to 235.88, 325.62 and 177.68 is: 245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.88 : 325.62 = 177.68 : x
  2. Step 2: Convert to fraction form
    235.88/325.62 = 177.68/x
  3. Step 3: Cross multiply
    235.88x = 325.62 × 177.68
  4. Step 4: Simplify right side
    235.88x = 57,856.16
  5. Step 5: Solve for x
    x = 57,856.16/235.88
  6. Step 6: Final answer
    x = 245.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.