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Finding the Fourth Proportional to 157.37, 235.52 and 96.47

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Solution

The fourth proportional to 157.37, 235.52 and 96.47 is: 144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.37 : 235.52 = 96.47 : x
  2. Step 2: Convert to fraction form
    157.37/235.52 = 96.47/x
  3. Step 3: Cross multiply
    157.37x = 235.52 × 96.47
  4. Step 4: Simplify right side
    157.37x = 22,720.61
  5. Step 5: Solve for x
    x = 22,720.61/157.37
  6. Step 6: Final answer
    x = 144.38

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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.