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Finding the Fourth Proportional to 89,652.79, 134,488.89 and 33,519.79

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Solution

The fourth proportional to 89,652.79, 134,488.89 and 33,519.79 is: 50,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,652.79 : 134,488.89 = 33,519.79 : x
  2. Step 2: Convert to fraction form
    89,652.79/134,488.89 = 33,519.79/x
  3. Step 3: Cross multiply
    89,652.79x = 134,488.89 × 33,519.79
  4. Step 4: Simplify right side
    89,652.79x = 4,508,039,350.13
  5. Step 5: Solve for x
    x = 4,508,039,350.13/89,652.79
  6. Step 6: Final answer
    x = 50,283.31

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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.