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Finding the Fourth Proportional to 92,063.56, 138,083.82 and 36,698.44

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Solution

The fourth proportional to 92,063.56, 138,083.82 and 36,698.44 is: 55,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,063.56 : 138,083.82 = 36,698.44 : x
  2. Step 2: Convert to fraction form
    92,063.56/138,083.82 = 36,698.44/x
  3. Step 3: Cross multiply
    92,063.56x = 138,083.82 × 36,698.44
  4. Step 4: Simplify right side
    92,063.56x = 5,067,460,783.24
  5. Step 5: Solve for x
    x = 5,067,460,783.24/92,063.56
  6. Step 6: Final answer
    x = 55,043.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.