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Finding the Fourth Proportional to 117.38, 175.97 and 59.53

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Solution

The fourth proportional to 117.38, 175.97 and 59.53 is: 89.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.38 : 175.97 = 59.53 : x
  2. Step 2: Convert to fraction form
    117.38/175.97 = 59.53/x
  3. Step 3: Cross multiply
    117.38x = 175.97 × 59.53
  4. Step 4: Simplify right side
    117.38x = 10,475.49
  5. Step 5: Solve for x
    x = 10,475.49/117.38
  6. Step 6: Final answer
    x = 89.24

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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.