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Finding the Fourth Proportional to 104.39, 156.59 and 32.25

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Solution

The fourth proportional to 104.39, 156.59 and 32.25 is: 48.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.39 : 156.59 = 32.25 : x
  2. Step 2: Convert to fraction form
    104.39/156.59 = 32.25/x
  3. Step 3: Cross multiply
    104.39x = 156.59 × 32.25
  4. Step 4: Simplify right side
    104.39x = 5,050.03
  5. Step 5: Solve for x
    x = 5,050.03/104.39
  6. Step 6: Final answer
    x = 48.38

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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.