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Finding the Fourth Proportional to 176.78, 244.01 and 110.43

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Solution

The fourth proportional to 176.78, 244.01 and 110.43 is: 152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.78 : 244.01 = 110.43 : x
  2. Step 2: Convert to fraction form
    176.78/244.01 = 110.43/x
  3. Step 3: Cross multiply
    176.78x = 244.01 × 110.43
  4. Step 4: Simplify right side
    176.78x = 26,946.02
  5. Step 5: Solve for x
    x = 26,946.02/176.78
  6. Step 6: Final answer
    x = 152.43

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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.