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Finding the Fourth Proportional to 133.94, 184.76 and 84.14

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Solution

The fourth proportional to 133.94, 184.76 and 84.14 is: 116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.94 : 184.76 = 84.14 : x
  2. Step 2: Convert to fraction form
    133.94/184.76 = 84.14/x
  3. Step 3: Cross multiply
    133.94x = 184.76 × 84.14
  4. Step 4: Simplify right side
    133.94x = 15,545.71
  5. Step 5: Solve for x
    x = 15,545.71/133.94
  6. Step 6: Final answer
    x = 116.06

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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.