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Finding the Fourth Proportional to 104,850.78, 157,301.01 and 45,697.02

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Solution

The fourth proportional to 104,850.78, 157,301.01 and 45,697.02 is: 68,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850.78 : 157,301.01 = 45,697.02 : x
  2. Step 2: Convert to fraction form
    104,850.78/157,301.01 = 45,697.02/x
  3. Step 3: Cross multiply
    104,850.78x = 157,301.01 × 45,697.02
  4. Step 4: Simplify right side
    104,850.78x = 7,188,187,399.99
  5. Step 5: Solve for x
    x = 7,188,187,399.99/104,850.78
  6. Step 6: Final answer
    x = 68,556.36

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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.