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Finding the Fourth Proportional to 118.34, 177.51 and 32.84

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Solution

The fourth proportional to 118.34, 177.51 and 32.84 is: 49.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.34 : 177.51 = 32.84 : x
  2. Step 2: Convert to fraction form
    118.34/177.51 = 32.84/x
  3. Step 3: Cross multiply
    118.34x = 177.51 × 32.84
  4. Step 4: Simplify right side
    118.34x = 5,829.43
  5. Step 5: Solve for x
    x = 5,829.43/118.34
  6. Step 6: Final answer
    x = 49.26

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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.