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Finding the Fourth Proportional to 176.84, 265.08 and 131.48

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Solution

The fourth proportional to 176.84, 265.08 and 131.48 is: 197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.84 : 265.08 = 131.48 : x
  2. Step 2: Convert to fraction form
    176.84/265.08 = 131.48/x
  3. Step 3: Cross multiply
    176.84x = 265.08 × 131.48
  4. Step 4: Simplify right side
    176.84x = 34,852.72
  5. Step 5: Solve for x
    x = 34,852.72/176.84
  6. Step 6: Final answer
    x = 197.09

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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.