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Finding the Fourth Proportional to 192.83, 266.07 and 109.94

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Solution

The fourth proportional to 192.83, 266.07 and 109.94 is: 151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.83 : 266.07 = 109.94 : x
  2. Step 2: Convert to fraction form
    192.83/266.07 = 109.94/x
  3. Step 3: Cross multiply
    192.83x = 266.07 × 109.94
  4. Step 4: Simplify right side
    192.83x = 29,251.19
  5. Step 5: Solve for x
    x = 29,251.19/192.83
  6. Step 6: Final answer
    x = 151.70

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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.