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Finding the Fourth Proportional to 175.53, 263.70 and 124.29

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Solution

The fourth proportional to 175.53, 263.70 and 124.29 is: 186.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.53 : 263.70 = 124.29 : x
  2. Step 2: Convert to fraction form
    175.53/263.70 = 124.29/x
  3. Step 3: Cross multiply
    175.53x = 263.70 × 124.29
  4. Step 4: Simplify right side
    175.53x = 32,775.27
  5. Step 5: Solve for x
    x = 32,775.27/175.53
  6. Step 6: Final answer
    x = 186.72

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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.