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Finding the Fourth Proportional to 174.74, 262.01 and 65.00

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Solution

The fourth proportional to 174.74, 262.01 and 65.00 is: 97.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.74 : 262.01 = 65.00 : x
  2. Step 2: Convert to fraction form
    174.74/262.01 = 65.00/x
  3. Step 3: Cross multiply
    174.74x = 262.01 × 65.00
  4. Step 4: Simplify right side
    174.74x = 17,031.47
  5. Step 5: Solve for x
    x = 17,031.47/174.74
  6. Step 6: Final answer
    x = 97.47

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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.