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Finding the Fourth Proportional to 89,033.43, 133,550.15 and 36,421.50

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Solution

The fourth proportional to 89,033.43, 133,550.15 and 36,421.50 is: 54,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.43 : 133,550.15 = 36,421.50 : x
  2. Step 2: Convert to fraction form
    89,033.43/133,550.15 = 36,421.50/x
  3. Step 3: Cross multiply
    89,033.43x = 133,550.15 × 36,421.50
  4. Step 4: Simplify right side
    89,033.43x = 4,864,096,606.12
  5. Step 5: Solve for x
    x = 4,864,096,606.12/89,033.43
  6. Step 6: Final answer
    x = 54,632.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.