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Finding the Fourth Proportional to 175.04, 262.47 and 72.26

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Solution

The fourth proportional to 175.04, 262.47 and 72.26 is: 108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.04 : 262.47 = 72.26 : x
  2. Step 2: Convert to fraction form
    175.04/262.47 = 72.26/x
  3. Step 3: Cross multiply
    175.04x = 262.47 × 72.26
  4. Step 4: Simplify right side
    175.04x = 18,964.77
  5. Step 5: Solve for x
    x = 18,964.77/175.04
  6. Step 6: Final answer
    x = 108.35

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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.