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Finding the Fourth Proportional to 193.04, 266.32 and 124

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Solution

The fourth proportional to 193.04, 266.32 and 124 is: 171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.04 : 266.32 = 124 : x
  2. Step 2: Convert to fraction form
    193.04/266.32 = 124/x
  3. Step 3: Cross multiply
    193.04x = 266.32 × 124
  4. Step 4: Simplify right side
    193.04x = 33,023.68
  5. Step 5: Solve for x
    x = 33,023.68/193.04
  6. Step 6: Final answer
    x = 171.07

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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.