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Finding the Fourth Proportional to 94,481.52, 130,384.80 and 52,040.16

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Solution

The fourth proportional to 94,481.52, 130,384.80 and 52,040.16 is: 71,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,481.52 : 130,384.80 = 52,040.16 : x
  2. Step 2: Convert to fraction form
    94,481.52/130,384.80 = 52,040.16/x
  3. Step 3: Cross multiply
    94,481.52x = 130,384.80 × 52,040.16
  4. Step 4: Simplify right side
    94,481.52x = 6,785,245,853.57
  5. Step 5: Solve for x
    x = 6,785,245,853.57/94,481.52
  6. Step 6: Final answer
    x = 71,815.59

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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.