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Finding the Fourth Proportional to 262.02, 392.73 and 117.44

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Solution

The fourth proportional to 262.02, 392.73 and 117.44 is: 176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.02 : 392.73 = 117.44 : x
  2. Step 2: Convert to fraction form
    262.02/392.73 = 117.44/x
  3. Step 3: Cross multiply
    262.02x = 392.73 × 117.44
  4. Step 4: Simplify right side
    262.02x = 46,122.21
  5. Step 5: Solve for x
    x = 46,122.21/262.02
  6. Step 6: Final answer
    x = 176.03

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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.