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Finding the Fourth Proportional to 175.53, 263.10 and 59.86

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Solution

The fourth proportional to 175.53, 263.10 and 59.86 is: 89.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.53 : 263.10 = 59.86 : x
  2. Step 2: Convert to fraction form
    175.53/263.10 = 59.86/x
  3. Step 3: Cross multiply
    175.53x = 263.10 × 59.86
  4. Step 4: Simplify right side
    175.53x = 15,749.17
  5. Step 5: Solve for x
    x = 15,749.17/175.53
  6. Step 6: Final answer
    x = 89.72

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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.