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Finding the Fourth Proportional to 89,081.90, 133,629.08 and 35,773.87

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Solution

The fourth proportional to 89,081.90, 133,629.08 and 35,773.87 is: 53,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.90 : 133,629.08 = 35,773.87 : x
  2. Step 2: Convert to fraction form
    89,081.90/133,629.08 = 35,773.87/x
  3. Step 3: Cross multiply
    89,081.90x = 133,629.08 × 35,773.87
  4. Step 4: Simplify right side
    89,081.90x = 4,780,429,336.14
  5. Step 5: Solve for x
    x = 4,780,429,336.14/89,081.90
  6. Step 6: Final answer
    x = 53,663.31

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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.