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Finding the Fourth Proportional to 110.15, 152.00 and 63.52

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Solution

The fourth proportional to 110.15, 152.00 and 63.52 is: 87.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.15 : 152.00 = 63.52 : x
  2. Step 2: Convert to fraction form
    110.15/152.00 = 63.52/x
  3. Step 3: Cross multiply
    110.15x = 152.00 × 63.52
  4. Step 4: Simplify right side
    110.15x = 9,653.96
  5. Step 5: Solve for x
    x = 9,653.96/110.15
  6. Step 6: Final answer
    x = 87.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.