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Finding the Fourth Proportional to 175.25, 262.88 and 59.66

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Solution

The fourth proportional to 175.25, 262.88 and 59.66 is: 89.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.25 : 262.88 = 59.66 : x
  2. Step 2: Convert to fraction form
    175.25/262.88 = 59.66/x
  3. Step 3: Cross multiply
    175.25x = 262.88 × 59.66
  4. Step 4: Simplify right side
    175.25x = 15,683.02
  5. Step 5: Solve for x
    x = 15,683.02/175.25
  6. Step 6: Final answer
    x = 89.49

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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.