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Finding the Fourth Proportional to 176.07, 263.84 and 130.44

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Solution

The fourth proportional to 176.07, 263.84 and 130.44 is: 195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.07 : 263.84 = 130.44 : x
  2. Step 2: Convert to fraction form
    176.07/263.84 = 130.44/x
  3. Step 3: Cross multiply
    176.07x = 263.84 × 130.44
  4. Step 4: Simplify right side
    176.07x = 34,414.64
  5. Step 5: Solve for x
    x = 34,414.64/176.07
  6. Step 6: Final answer
    x = 195.46

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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.