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Finding the Fourth Proportional to 118.48, 177.72 and 37.33

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Solution

The fourth proportional to 118.48, 177.72 and 37.33 is: 56.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.48 : 177.72 = 37.33 : x
  2. Step 2: Convert to fraction form
    118.48/177.72 = 37.33/x
  3. Step 3: Cross multiply
    118.48x = 177.72 × 37.33
  4. Step 4: Simplify right side
    118.48x = 6,634.29
  5. Step 5: Solve for x
    x = 6,634.29/118.48
  6. Step 6: Final answer
    x = 56.00

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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.