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Finding the Fourth Proportional to 89,055.52, 133,583.92 and 36,470.40

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Solution

The fourth proportional to 89,055.52, 133,583.92 and 36,470.40 is: 54,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,055.52 : 133,583.92 = 36,470.40 : x
  2. Step 2: Convert to fraction form
    89,055.52/133,583.92 = 36,470.40/x
  3. Step 3: Cross multiply
    89,055.52x = 133,583.92 × 36,470.40
  4. Step 4: Simplify right side
    89,055.52x = 4,871,858,995.97
  5. Step 5: Solve for x
    x = 4,871,858,995.97/89,055.52
  6. Step 6: Final answer
    x = 54,705.86

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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.