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Finding the Fourth Proportional to 156.88, 235.55 and 96.26

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Solution

The fourth proportional to 156.88, 235.55 and 96.26 is: 144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.88 : 235.55 = 96.26 : x
  2. Step 2: Convert to fraction form
    156.88/235.55 = 96.26/x
  3. Step 3: Cross multiply
    156.88x = 235.55 × 96.26
  4. Step 4: Simplify right side
    156.88x = 22,674.87
  5. Step 5: Solve for x
    x = 22,674.87/156.88
  6. Step 6: Final answer
    x = 144.54

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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.