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Finding the Fourth Proportional to 104,163.54, 143,745.24 and 58,223.12

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Solution

The fourth proportional to 104,163.54, 143,745.24 and 58,223.12 is: 80,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,163.54 : 143,745.24 = 58,223.12 : x
  2. Step 2: Convert to fraction form
    104,163.54/143,745.24 = 58,223.12/x
  3. Step 3: Cross multiply
    104,163.54x = 143,745.24 × 58,223.12
  4. Step 4: Simplify right side
    104,163.54x = 8,369,296,357.95
  5. Step 5: Solve for x
    x = 8,369,296,357.95/104,163.54
  6. Step 6: Final answer
    x = 80,347.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.