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Finding the Fourth Proportional to 176.76, 265.10 and 122.96

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Solution

The fourth proportional to 176.76, 265.10 and 122.96 is: 184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.76 : 265.10 = 122.96 : x
  2. Step 2: Convert to fraction form
    176.76/265.10 = 122.96/x
  3. Step 3: Cross multiply
    176.76x = 265.10 × 122.96
  4. Step 4: Simplify right side
    176.76x = 32,594.76
  5. Step 5: Solve for x
    x = 32,594.76/176.76
  6. Step 6: Final answer
    x = 184.40

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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.