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Finding the Fourth Proportional to 253,355.01, 380,086.68 and 93,431.37

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Solution

The fourth proportional to 253,355.01, 380,086.68 and 93,431.37 is: 140,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,355.01 : 380,086.68 = 93,431.37 : x
  2. Step 2: Convert to fraction form
    253,355.01/380,086.68 = 93,431.37/x
  3. Step 3: Cross multiply
    253,355.01x = 380,086.68 × 93,431.37
  4. Step 4: Simplify right side
    253,355.01x = 35,512,019,231.15
  5. Step 5: Solve for x
    x = 35,512,019,231.15/253,355.01
  6. Step 6: Final answer
    x = 140,167.03

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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.