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Finding the Fourth Proportional to 194.08, 291.66 and 183.16

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Solution

The fourth proportional to 194.08, 291.66 and 183.16 is: 275.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.08 : 291.66 = 183.16 : x
  2. Step 2: Convert to fraction form
    194.08/291.66 = 183.16/x
  3. Step 3: Cross multiply
    194.08x = 291.66 × 183.16
  4. Step 4: Simplify right side
    194.08x = 53,420.45
  5. Step 5: Solve for x
    x = 53,420.45/194.08
  6. Step 6: Final answer
    x = 275.25

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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.