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Finding the Fourth Proportional to 177.88, 266.54 and 152.44

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Solution

The fourth proportional to 177.88, 266.54 and 152.44 is: 228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.88 : 266.54 = 152.44 : x
  2. Step 2: Convert to fraction form
    177.88/266.54 = 152.44/x
  3. Step 3: Cross multiply
    177.88x = 266.54 × 152.44
  4. Step 4: Simplify right side
    177.88x = 40,631.36
  5. Step 5: Solve for x
    x = 40,631.36/177.88
  6. Step 6: Final answer
    x = 228.42

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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.