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Finding the Fourth Proportional to 193.32, 266.70 and 110.36

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Solution

The fourth proportional to 193.32, 266.70 and 110.36 is: 152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.32 : 266.70 = 110.36 : x
  2. Step 2: Convert to fraction form
    193.32/266.70 = 110.36/x
  3. Step 3: Cross multiply
    193.32x = 266.70 × 110.36
  4. Step 4: Simplify right side
    193.32x = 29,431.68
  5. Step 5: Solve for x
    x = 29,431.68/193.32
  6. Step 6: Final answer
    x = 152.24

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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.