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Finding the Fourth Proportional to 92,481.40, 138,736.02 and 33,303.19

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Solution

The fourth proportional to 92,481.40, 138,736.02 and 33,303.19 is: 49,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,481.40 : 138,736.02 = 33,303.19 : x
  2. Step 2: Convert to fraction form
    92,481.40/138,736.02 = 33,303.19/x
  3. Step 3: Cross multiply
    92,481.40x = 138,736.02 × 33,303.19
  4. Step 4: Simplify right side
    92,481.40x = 4,620,352,033.90
  5. Step 5: Solve for x
    x = 4,620,352,033.90/92,481.40
  6. Step 6: Final answer
    x = 49,959.80

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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.