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Finding the Fourth Proportional to 362,620.80, 543,880.89 and 96,402.96

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Solution

The fourth proportional to 362,620.80, 543,880.89 and 96,402.96 is: 144,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,620.80 : 543,880.89 = 96,402.96 : x
  2. Step 2: Convert to fraction form
    362,620.80/543,880.89 = 96,402.96/x
  3. Step 3: Cross multiply
    362,620.80x = 543,880.89 × 96,402.96
  4. Step 4: Simplify right side
    362,620.80x = 52,431,727,683.43
  5. Step 5: Solve for x
    x = 52,431,727,683.43/362,620.80
  6. Step 6: Final answer
    x = 144,591.07

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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.