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Finding the Fourth Proportional to 130,879.58, 196,240.52 and 58,819.28

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Solution

The fourth proportional to 130,879.58, 196,240.52 and 58,819.28 is: 88,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,879.58 : 196,240.52 = 58,819.28 : x
  2. Step 2: Convert to fraction form
    130,879.58/196,240.52 = 58,819.28/x
  3. Step 3: Cross multiply
    130,879.58x = 196,240.52 × 58,819.28
  4. Step 4: Simplify right side
    130,879.58x = 11,542,724,817.93
  5. Step 5: Solve for x
    x = 11,542,724,817.93/130,879.58
  6. Step 6: Final answer
    x = 88,193.48

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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.