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Finding the Fourth Proportional to 89,182.82, 133,788.05 and 30,013.88

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Solution

The fourth proportional to 89,182.82, 133,788.05 and 30,013.88 is: 45,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,182.82 : 133,788.05 = 30,013.88 : x
  2. Step 2: Convert to fraction form
    89,182.82/133,788.05 = 30,013.88/x
  3. Step 3: Cross multiply
    89,182.82x = 133,788.05 × 30,013.88
  4. Step 4: Simplify right side
    89,182.82x = 4,015,498,478.13
  5. Step 5: Solve for x
    x = 4,015,498,478.13/89,182.82
  6. Step 6: Final answer
    x = 45,025.47

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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.