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Finding the Fourth Proportional to 78,373.30, 108,167.37 and 44,383.54

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Solution

The fourth proportional to 78,373.30, 108,167.37 and 44,383.54 is: 61,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,373.30 : 108,167.37 = 44,383.54 : x
  2. Step 2: Convert to fraction form
    78,373.30/108,167.37 = 44,383.54/x
  3. Step 3: Cross multiply
    78,373.30x = 108,167.37 × 44,383.54
  4. Step 4: Simplify right side
    78,373.30x = 4,800,850,793.09
  5. Step 5: Solve for x
    x = 4,800,850,793.09/78,373.30
  6. Step 6: Final answer
    x = 61,256.20

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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.