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Finding the Fourth Proportional to 177.46, 264.96 and 153.07

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Solution

The fourth proportional to 177.46, 264.96 and 153.07 is: 228.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.46 : 264.96 = 153.07 : x
  2. Step 2: Convert to fraction form
    177.46/264.96 = 153.07/x
  3. Step 3: Cross multiply
    177.46x = 264.96 × 153.07
  4. Step 4: Simplify right side
    177.46x = 40,556.76
  5. Step 5: Solve for x
    x = 40,556.76/177.46
  6. Step 6: Final answer
    x = 228.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.