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Finding the Fourth Proportional to 118, 177.02 and 32.50

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Solution

The fourth proportional to 118, 177.02 and 32.50 is: 48.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118 : 177.02 = 32.50 : x
  2. Step 2: Convert to fraction form
    118/177.02 = 32.50/x
  3. Step 3: Cross multiply
    118x = 177.02 × 32.50
  4. Step 4: Simplify right side
    118x = 5,753.15
  5. Step 5: Solve for x
    x = 5,753.15/118
  6. Step 6: Final answer
    x = 48.76

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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.