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Finding the Fourth Proportional to 104,563.92, 144,295.68 and 58,620.52

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Solution

The fourth proportional to 104,563.92, 144,295.68 and 58,620.52 is: 80,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,563.92 : 144,295.68 = 58,620.52 : x
  2. Step 2: Convert to fraction form
    104,563.92/144,295.68 = 58,620.52/x
  3. Step 3: Cross multiply
    104,563.92x = 144,295.68 × 58,620.52
  4. Step 4: Simplify right side
    104,563.92x = 8,458,687,795.35
  5. Step 5: Solve for x
    x = 8,458,687,795.35/104,563.92
  6. Step 6: Final answer
    x = 80,894.90

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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.