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Finding the Fourth Proportional to 104.16, 156.27 and 35.67

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Solution

The fourth proportional to 104.16, 156.27 and 35.67 is: 53.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.16 : 156.27 = 35.67 : x
  2. Step 2: Convert to fraction form
    104.16/156.27 = 35.67/x
  3. Step 3: Cross multiply
    104.16x = 156.27 × 35.67
  4. Step 4: Simplify right side
    104.16x = 5,574.15
  5. Step 5: Solve for x
    x = 5,574.15/104.16
  6. Step 6: Final answer
    x = 53.51

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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.