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Finding the Fourth Proportional to 94,481.76, 130,384.83 and 52,040.30

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Solution

The fourth proportional to 94,481.76, 130,384.83 and 52,040.30 is: 71,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,481.76 : 130,384.83 = 52,040.30 : x
  2. Step 2: Convert to fraction form
    94,481.76/130,384.83 = 52,040.30/x
  3. Step 3: Cross multiply
    94,481.76x = 130,384.83 × 52,040.30
  4. Step 4: Simplify right side
    94,481.76x = 6,785,265,016.72
  5. Step 5: Solve for x
    x = 6,785,265,016.72/94,481.76
  6. Step 6: Final answer
    x = 71,815.61

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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.