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Finding the Fourth Proportional to 184.12, 275.34 and 156.76

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Solution

The fourth proportional to 184.12, 275.34 and 156.76 is: 234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.12 : 275.34 = 156.76 : x
  2. Step 2: Convert to fraction form
    184.12/275.34 = 156.76/x
  3. Step 3: Cross multiply
    184.12x = 275.34 × 156.76
  4. Step 4: Simplify right side
    184.12x = 43,162.30
  5. Step 5: Solve for x
    x = 43,162.30/184.12
  6. Step 6: Final answer
    x = 234.42

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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.