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Finding the Fourth Proportional to 265.94, 366.99 and 178.66

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Solution

The fourth proportional to 265.94, 366.99 and 178.66 is: 246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.94 : 366.99 = 178.66 : x
  2. Step 2: Convert to fraction form
    265.94/366.99 = 178.66/x
  3. Step 3: Cross multiply
    265.94x = 366.99 × 178.66
  4. Step 4: Simplify right side
    265.94x = 65,566.43
  5. Step 5: Solve for x
    x = 65,566.43/265.94
  6. Step 6: Final answer
    x = 246.55

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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.