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Finding the Fourth Proportional to 194.99, 292.16 and 156.26

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Solution

The fourth proportional to 194.99, 292.16 and 156.26 is: 234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.99 : 292.16 = 156.26 : x
  2. Step 2: Convert to fraction form
    194.99/292.16 = 156.26/x
  3. Step 3: Cross multiply
    194.99x = 292.16 × 156.26
  4. Step 4: Simplify right side
    194.99x = 45,650.68
  5. Step 5: Solve for x
    x = 45,650.68/194.99
  6. Step 6: Final answer
    x = 234.12

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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.