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Finding the Fourth Proportional to 172.52, 238.10 and 110.37

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Solution

The fourth proportional to 172.52, 238.10 and 110.37 is: 152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    172.52 : 238.10 = 110.37 : x
  2. Step 2: Convert to fraction form
    172.52/238.10 = 110.37/x
  3. Step 3: Cross multiply
    172.52x = 238.10 × 110.37
  4. Step 4: Simplify right side
    172.52x = 26,279.10
  5. Step 5: Solve for x
    x = 26,279.10/172.52
  6. Step 6: Final answer
    x = 152.32

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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.