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Finding the Fourth Proportional to 104,156.80, 143,745.23 and 58,843.10

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Solution

The fourth proportional to 104,156.80, 143,745.23 and 58,843.10 is: 81,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,156.80 : 143,745.23 = 58,843.10 : x
  2. Step 2: Convert to fraction form
    104,156.80/143,745.23 = 58,843.10/x
  3. Step 3: Cross multiply
    104,156.80x = 143,745.23 × 58,843.10
  4. Step 4: Simplify right side
    104,156.80x = 8,458,414,151.13
  5. Step 5: Solve for x
    x = 8,458,414,151.13/104,156.80
  6. Step 6: Final answer
    x = 81,208.47

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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.