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Finding the Fourth Proportional to 160.92, 240.99 and 157.50

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Solution

The fourth proportional to 160.92, 240.99 and 157.50 is: 235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.92 : 240.99 = 157.50 : x
  2. Step 2: Convert to fraction form
    160.92/240.99 = 157.50/x
  3. Step 3: Cross multiply
    160.92x = 240.99 × 157.50
  4. Step 4: Simplify right side
    160.92x = 37,955.93
  5. Step 5: Solve for x
    x = 37,955.93/160.92
  6. Step 6: Final answer
    x = 235.87

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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.