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Finding the Fourth Proportional to 174.76, 262.10 and 53.04

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Solution

The fourth proportional to 174.76, 262.10 and 53.04 is: 79.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.76 : 262.10 = 53.04 : x
  2. Step 2: Convert to fraction form
    174.76/262.10 = 53.04/x
  3. Step 3: Cross multiply
    174.76x = 262.10 × 53.04
  4. Step 4: Simplify right side
    174.76x = 13,901.78
  5. Step 5: Solve for x
    x = 13,901.78/174.76
  6. Step 6: Final answer
    x = 79.55

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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.