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Finding the Fourth Proportional to 235,073.40, 352,453.38 and 85,294.26

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Solution

The fourth proportional to 235,073.40, 352,453.38 and 85,294.26 is: 127,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,073.40 : 352,453.38 = 85,294.26 : x
  2. Step 2: Convert to fraction form
    235,073.40/352,453.38 = 85,294.26/x
  3. Step 3: Cross multiply
    235,073.40x = 352,453.38 × 85,294.26
  4. Step 4: Simplify right side
    235,073.40x = 30,062,250,231.60
  5. Step 5: Solve for x
    x = 30,062,250,231.60/235,073.40
  6. Step 6: Final answer
    x = 127,884.53

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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.