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Finding the Fourth Proportional to 175.49, 263.21 and 59.93

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Solution

The fourth proportional to 175.49, 263.21 and 59.93 is: 89.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.49 : 263.21 = 59.93 : x
  2. Step 2: Convert to fraction form
    175.49/263.21 = 59.93/x
  3. Step 3: Cross multiply
    175.49x = 263.21 × 59.93
  4. Step 4: Simplify right side
    175.49x = 15,772.86
  5. Step 5: Solve for x
    x = 15,772.86/175.49
  6. Step 6: Final answer
    x = 89.88

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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.