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Finding the Fourth Proportional to 89,382.81, 134,073.47 and 36,073.97

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Solution

The fourth proportional to 89,382.81, 134,073.47 and 36,073.97 is: 54,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.81 : 134,073.47 = 36,073.97 : x
  2. Step 2: Convert to fraction form
    89,382.81/134,073.47 = 36,073.97/x
  3. Step 3: Cross multiply
    89,382.81x = 134,073.47 × 36,073.97
  4. Step 4: Simplify right side
    89,382.81x = 4,836,562,334.58
  5. Step 5: Solve for x
    x = 4,836,562,334.58/89,382.81
  6. Step 6: Final answer
    x = 54,110.65

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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.