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Finding the Fourth Proportional to 179.10, 268.83 and 156.60

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Solution

The fourth proportional to 179.10, 268.83 and 156.60 is: 235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.10 : 268.83 = 156.60 : x
  2. Step 2: Convert to fraction form
    179.10/268.83 = 156.60/x
  3. Step 3: Cross multiply
    179.10x = 268.83 × 156.60
  4. Step 4: Simplify right side
    179.10x = 42,098.78
  5. Step 5: Solve for x
    x = 42,098.78/179.10
  6. Step 6: Final answer
    x = 235.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.