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Finding the Fourth Proportional to 86,481.94, 119,326.92 and 52,508.30

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Solution

The fourth proportional to 86,481.94, 119,326.92 and 52,508.30 is: 72,450.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.94 : 119,326.92 = 52,508.30 : x
  2. Step 2: Convert to fraction form
    86,481.94/119,326.92 = 52,508.30/x
  3. Step 3: Cross multiply
    86,481.94x = 119,326.92 × 52,508.30
  4. Step 4: Simplify right side
    86,481.94x = 6,265,653,713.44
  5. Step 5: Solve for x
    x = 6,265,653,713.44/86,481.94
  6. Step 6: Final answer
    x = 72,450.43

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1.5x scale

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.