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Finding the Fourth Proportional to 179.02, 246.95 and 125.83

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Solution

The fourth proportional to 179.02, 246.95 and 125.83 is: 173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.02 : 246.95 = 125.83 : x
  2. Step 2: Convert to fraction form
    179.02/246.95 = 125.83/x
  3. Step 3: Cross multiply
    179.02x = 246.95 × 125.83
  4. Step 4: Simplify right side
    179.02x = 31,072.48
  5. Step 5: Solve for x
    x = 31,072.48/179.02
  6. Step 6: Final answer
    x = 173.57

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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.