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Finding the Fourth Proportional to 179.02, 246.95 and 113.41

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Solution

The fourth proportional to 179.02, 246.95 and 113.41 is: 156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.02 : 246.95 = 113.41 : x
  2. Step 2: Convert to fraction form
    179.02/246.95 = 113.41/x
  3. Step 3: Cross multiply
    179.02x = 246.95 × 113.41
  4. Step 4: Simplify right side
    179.02x = 28,006.60
  5. Step 5: Solve for x
    x = 28,006.60/179.02
  6. Step 6: Final answer
    x = 156.44

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Why These Related Problems?

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