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Finding the Fourth Proportional to 156.54, 235.50 and 95.73

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Solution

The fourth proportional to 156.54, 235.50 and 95.73 is: 144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.54 : 235.50 = 95.73 : x
  2. Step 2: Convert to fraction form
    156.54/235.50 = 95.73/x
  3. Step 3: Cross multiply
    156.54x = 235.50 × 95.73
  4. Step 4: Simplify right side
    156.54x = 22,544.42
  5. Step 5: Solve for x
    x = 22,544.42/156.54
  6. Step 6: Final answer
    x = 144.02

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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.