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Finding the Fourth Proportional to 249.19, 373.52 and 157.93

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Solution

The fourth proportional to 249.19, 373.52 and 157.93 is: 236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.19 : 373.52 = 157.93 : x
  2. Step 2: Convert to fraction form
    249.19/373.52 = 157.93/x
  3. Step 3: Cross multiply
    249.19x = 373.52 × 157.93
  4. Step 4: Simplify right side
    249.19x = 58,989.22
  5. Step 5: Solve for x
    x = 58,989.22/249.19
  6. Step 6: Final answer
    x = 236.72

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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.