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Finding the Fourth Proportional to 194.79, 292.24 and 160.15

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Solution

The fourth proportional to 194.79, 292.24 and 160.15 is: 240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.79 : 292.24 = 160.15 : x
  2. Step 2: Convert to fraction form
    194.79/292.24 = 160.15/x
  3. Step 3: Cross multiply
    194.79x = 292.24 × 160.15
  4. Step 4: Simplify right side
    194.79x = 46,801.40
  5. Step 5: Solve for x
    x = 46,801.40/194.79
  6. Step 6: Final answer
    x = 240.26

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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.