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Finding the Fourth Proportional to 94,481.96, 130,385.08 and 52,040.49

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Solution

The fourth proportional to 94,481.96, 130,385.08 and 52,040.49 is: 71,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,481.96 : 130,385.08 = 52,040.49 : x
  2. Step 2: Convert to fraction form
    94,481.96/130,385.08 = 52,040.49/x
  3. Step 3: Cross multiply
    94,481.96x = 130,385.08 × 52,040.49
  4. Step 4: Simplify right side
    94,481.96x = 6,785,303,003.87
  5. Step 5: Solve for x
    x = 6,785,303,003.87/94,481.96
  6. Step 6: Final answer
    x = 71,815.86

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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.