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Finding the Fourth Proportional to 191.84, 266.18 and 184.13

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Solution

The fourth proportional to 191.84, 266.18 and 184.13 is: 255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.84 : 266.18 = 184.13 : x
  2. Step 2: Convert to fraction form
    191.84/266.18 = 184.13/x
  3. Step 3: Cross multiply
    191.84x = 266.18 × 184.13
  4. Step 4: Simplify right side
    191.84x = 49,011.72
  5. Step 5: Solve for x
    x = 49,011.72/191.84
  6. Step 6: Final answer
    x = 255.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.