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Finding the Fourth Proportional to 110.52, 165.62 and 56.35

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Solution

The fourth proportional to 110.52, 165.62 and 56.35 is: 84.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.52 : 165.62 = 56.35 : x
  2. Step 2: Convert to fraction form
    110.52/165.62 = 56.35/x
  3. Step 3: Cross multiply
    110.52x = 165.62 × 56.35
  4. Step 4: Simplify right side
    110.52x = 9,332.41
  5. Step 5: Solve for x
    x = 9,332.41/110.52
  6. Step 6: Final answer
    x = 84.44

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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.