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Finding the Fourth Proportional to 89,033.93, 133,550.90 and 36,422

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Solution

The fourth proportional to 89,033.93, 133,550.90 and 36,422 is: 54,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.93 : 133,550.90 = 36,422 : x
  2. Step 2: Convert to fraction form
    89,033.93/133,550.90 = 36,422/x
  3. Step 3: Cross multiply
    89,033.93x = 133,550.90 × 36,422
  4. Step 4: Simplify right side
    89,033.93x = 4,864,190,879.80
  5. Step 5: Solve for x
    x = 4,864,190,879.80/89,033.93
  6. Step 6: Final answer
    x = 54,633.00

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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.