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Finding the Fourth Proportional to 78,583.83, 108,454.92 and 44,134.22

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Solution

The fourth proportional to 78,583.83, 108,454.92 and 44,134.22 is: 60,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,583.83 : 108,454.92 = 44,134.22 : x
  2. Step 2: Convert to fraction form
    78,583.83/108,454.92 = 44,134.22/x
  3. Step 3: Cross multiply
    78,583.83x = 108,454.92 × 44,134.22
  4. Step 4: Simplify right side
    78,583.83x = 4,786,573,299.36
  5. Step 5: Solve for x
    x = 4,786,573,299.36/78,583.83
  6. Step 6: Final answer
    x = 60,910.41

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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.