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Finding the Fourth Proportional to 92,581.14, 138,871.92 and 33,458.58

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Solution

The fourth proportional to 92,581.14, 138,871.92 and 33,458.58 is: 50,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,581.14 : 138,871.92 = 33,458.58 : x
  2. Step 2: Convert to fraction form
    92,581.14/138,871.92 = 33,458.58/x
  3. Step 3: Cross multiply
    92,581.14x = 138,871.92 × 33,458.58
  4. Step 4: Simplify right side
    92,581.14x = 4,646,457,245.07
  5. Step 5: Solve for x
    x = 4,646,457,245.07/92,581.14
  6. Step 6: Final answer
    x = 50,187.95

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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.