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Finding the Fourth Proportional to 156.92, 235.56 and 96.16

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Solution

The fourth proportional to 156.92, 235.56 and 96.16 is: 144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.92 : 235.56 = 96.16 : x
  2. Step 2: Convert to fraction form
    156.92/235.56 = 96.16/x
  3. Step 3: Cross multiply
    156.92x = 235.56 × 96.16
  4. Step 4: Simplify right side
    156.92x = 22,651.45
  5. Step 5: Solve for x
    x = 22,651.45/156.92
  6. Step 6: Final answer
    x = 144.35

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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.