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Finding the Fourth Proportional to 235.71, 353.50 and 73.39

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Solution

The fourth proportional to 235.71, 353.50 and 73.39 is: 110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.71 : 353.50 = 73.39 : x
  2. Step 2: Convert to fraction form
    235.71/353.50 = 73.39/x
  3. Step 3: Cross multiply
    235.71x = 353.50 × 73.39
  4. Step 4: Simplify right side
    235.71x = 25,943.37
  5. Step 5: Solve for x
    x = 25,943.37/235.71
  6. Step 6: Final answer
    x = 110.06

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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.