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Finding the Fourth Proportional to 157.52, 236.24 and 106.48

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Solution

The fourth proportional to 157.52, 236.24 and 106.48 is: 159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.52 : 236.24 = 106.48 : x
  2. Step 2: Convert to fraction form
    157.52/236.24 = 106.48/x
  3. Step 3: Cross multiply
    157.52x = 236.24 × 106.48
  4. Step 4: Simplify right side
    157.52x = 25,154.84
  5. Step 5: Solve for x
    x = 25,154.84/157.52
  6. Step 6: Final answer
    x = 159.69

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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.