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Finding the Fourth Proportional to 175.79, 264.26 and 124.79

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Solution

The fourth proportional to 175.79, 264.26 and 124.79 is: 187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.79 : 264.26 = 124.79 : x
  2. Step 2: Convert to fraction form
    175.79/264.26 = 124.79/x
  3. Step 3: Cross multiply
    175.79x = 264.26 × 124.79
  4. Step 4: Simplify right side
    175.79x = 32,977.04
  5. Step 5: Solve for x
    x = 32,977.04/175.79
  6. Step 6: Final answer
    x = 187.60

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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.