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Finding the Fourth Proportional to 179.01, 246.93 and 113.50

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Solution

The fourth proportional to 179.01, 246.93 and 113.50 is: 156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.01 : 246.93 = 113.50 : x
  2. Step 2: Convert to fraction form
    179.01/246.93 = 113.50/x
  3. Step 3: Cross multiply
    179.01x = 246.93 × 113.50
  4. Step 4: Simplify right side
    179.01x = 28,025.32
  5. Step 5: Solve for x
    x = 28,025.32/179.01
  6. Step 6: Final answer
    x = 156.56

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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.