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Finding the Fourth Proportional to 119.48, 166.00 and 118.04

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Solution

The fourth proportional to 119.48, 166.00 and 118.04 is: 164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.48 : 166.00 = 118.04 : x
  2. Step 2: Convert to fraction form
    119.48/166.00 = 118.04/x
  3. Step 3: Cross multiply
    119.48x = 166.00 × 118.04
  4. Step 4: Simplify right side
    119.48x = 19,594.76
  5. Step 5: Solve for x
    x = 19,594.76/119.48
  6. Step 6: Final answer
    x = 164.00

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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.