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Finding the Fourth Proportional to 196.11, 293.71 and 152.68

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Solution

The fourth proportional to 196.11, 293.71 and 152.68 is: 228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.11 : 293.71 = 152.68 : x
  2. Step 2: Convert to fraction form
    196.11/293.71 = 152.68/x
  3. Step 3: Cross multiply
    196.11x = 293.71 × 152.68
  4. Step 4: Simplify right side
    196.11x = 44,841.41
  5. Step 5: Solve for x
    x = 44,841.41/196.11
  6. Step 6: Final answer
    x = 228.65

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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.