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Finding the Fourth Proportional to 104,745.88, 157,143.42 and 34,625.18

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Solution

The fourth proportional to 104,745.88, 157,143.42 and 34,625.18 is: 51,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.88 : 157,143.42 = 34,625.18 : x
  2. Step 2: Convert to fraction form
    104,745.88/157,143.42 = 34,625.18/x
  3. Step 3: Cross multiply
    104,745.88x = 157,143.42 × 34,625.18
  4. Step 4: Simplify right side
    104,745.88x = 5,441,119,203.32
  5. Step 5: Solve for x
    x = 5,441,119,203.32/104,745.88
  6. Step 6: Final answer
    x = 51,945.90

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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.