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Finding the Fourth Proportional to 194.04, 291.06 and 166.77

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Solution

The fourth proportional to 194.04, 291.06 and 166.77 is: 250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.04 : 291.06 = 166.77 : x
  2. Step 2: Convert to fraction form
    194.04/291.06 = 166.77/x
  3. Step 3: Cross multiply
    194.04x = 291.06 × 166.77
  4. Step 4: Simplify right side
    194.04x = 48,540.08
  5. Step 5: Solve for x
    x = 48,540.08/194.04
  6. Step 6: Final answer
    x = 250.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.