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Finding the Fourth Proportional to 157.99, 236.96 and 60.48

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Solution

The fourth proportional to 157.99, 236.96 and 60.48 is: 90.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.99 : 236.96 = 60.48 : x
  2. Step 2: Convert to fraction form
    157.99/236.96 = 60.48/x
  3. Step 3: Cross multiply
    157.99x = 236.96 × 60.48
  4. Step 4: Simplify right side
    157.99x = 14,331.34
  5. Step 5: Solve for x
    x = 14,331.34/157.99
  6. Step 6: Final answer
    x = 90.71

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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.