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Finding the Fourth Proportional to 214.60, 295.50 and 193

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Solution

The fourth proportional to 214.60, 295.50 and 193 is: 265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.60 : 295.50 = 193 : x
  2. Step 2: Convert to fraction form
    214.60/295.50 = 193/x
  3. Step 3: Cross multiply
    214.60x = 295.50 × 193
  4. Step 4: Simplify right side
    214.60x = 57,031.50
  5. Step 5: Solve for x
    x = 57,031.50/214.60
  6. Step 6: Final answer
    x = 265.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.