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Finding the Fourth Proportional to 194.94, 292.26 and 168.84

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Solution

The fourth proportional to 194.94, 292.26 and 168.84 is: 253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.94 : 292.26 = 168.84 : x
  2. Step 2: Convert to fraction form
    194.94/292.26 = 168.84/x
  3. Step 3: Cross multiply
    194.94x = 292.26 × 168.84
  4. Step 4: Simplify right side
    194.94x = 49,345.18
  5. Step 5: Solve for x
    x = 49,345.18/194.94
  6. Step 6: Final answer
    x = 253.13

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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.