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Finding the Fourth Proportional to 179.02, 267.20 and 158.50

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Solution

The fourth proportional to 179.02, 267.20 and 158.50 is: 236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.02 : 267.20 = 158.50 : x
  2. Step 2: Convert to fraction form
    179.02/267.20 = 158.50/x
  3. Step 3: Cross multiply
    179.02x = 267.20 × 158.50
  4. Step 4: Simplify right side
    179.02x = 42,351.20
  5. Step 5: Solve for x
    x = 42,351.20/179.02
  6. Step 6: Final answer
    x = 236.57

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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.