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Finding the Fourth Proportional to 193.37, 266.84 and 106.03

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Solution

The fourth proportional to 193.37, 266.84 and 106.03 is: 146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.37 : 266.84 = 106.03 : x
  2. Step 2: Convert to fraction form
    193.37/266.84 = 106.03/x
  3. Step 3: Cross multiply
    193.37x = 266.84 × 106.03
  4. Step 4: Simplify right side
    193.37x = 28,293.25
  5. Step 5: Solve for x
    x = 28,293.25/193.37
  6. Step 6: Final answer
    x = 146.32

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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.