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Finding the Fourth Proportional to 78,367.23, 108,149.72 and 44,826.75

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Solution

The fourth proportional to 78,367.23, 108,149.72 and 44,826.75 is: 61,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,367.23 : 108,149.72 = 44,826.75 : x
  2. Step 2: Convert to fraction form
    78,367.23/108,149.72 = 44,826.75/x
  3. Step 3: Cross multiply
    78,367.23x = 108,149.72 × 44,826.75
  4. Step 4: Simplify right side
    78,367.23x = 4,848,000,236.88
  5. Step 5: Solve for x
    x = 4,848,000,236.88/78,367.23
  6. Step 6: Final answer
    x = 61,862.60

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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.