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Finding the Fourth Proportional to 177.70, 266.54 and 96.46

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Solution

The fourth proportional to 177.70, 266.54 and 96.46 is: 144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.70 : 266.54 = 96.46 : x
  2. Step 2: Convert to fraction form
    177.70/266.54 = 96.46/x
  3. Step 3: Cross multiply
    177.70x = 266.54 × 96.46
  4. Step 4: Simplify right side
    177.70x = 25,710.45
  5. Step 5: Solve for x
    x = 25,710.45/177.70
  6. Step 6: Final answer
    x = 144.68

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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.