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Finding the Fourth Proportional to 104,879.00, 158,109.11 and 98,113.88

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Solution

The fourth proportional to 104,879.00, 158,109.11 and 98,113.88 is: 147,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,879.00 : 158,109.11 = 98,113.88 : x
  2. Step 2: Convert to fraction form
    104,879.00/158,109.11 = 98,113.88/x
  3. Step 3: Cross multiply
    104,879.00x = 158,109.11 × 98,113.88
  4. Step 4: Simplify right side
    104,879.00x = 15,512,699,069.97
  5. Step 5: Solve for x
    x = 15,512,699,069.97/104,879.00
  6. Step 6: Final answer
    x = 147,910.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.