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Finding the Fourth Proportional to 175.12, 262.34 and 146.24

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Solution

The fourth proportional to 175.12, 262.34 and 146.24 is: 219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.12 : 262.34 = 146.24 : x
  2. Step 2: Convert to fraction form
    175.12/262.34 = 146.24/x
  3. Step 3: Cross multiply
    175.12x = 262.34 × 146.24
  4. Step 4: Simplify right side
    175.12x = 38,364.60
  5. Step 5: Solve for x
    x = 38,364.60/175.12
  6. Step 6: Final answer
    x = 219.08

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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.