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Finding the Fourth Proportional to 89,297.73, 133,984.08 and 55,591.94

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Solution

The fourth proportional to 89,297.73, 133,984.08 and 55,591.94 is: 83,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,297.73 : 133,984.08 = 55,591.94 : x
  2. Step 2: Convert to fraction form
    89,297.73/133,984.08 = 55,591.94/x
  3. Step 3: Cross multiply
    89,297.73x = 133,984.08 × 55,591.94
  4. Step 4: Simplify right side
    89,297.73x = 7,448,434,517.61
  5. Step 5: Solve for x
    x = 7,448,434,517.61/89,297.73
  6. Step 6: Final answer
    x = 83,411.24

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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.