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Finding the Fourth Proportional to 362,608.02, 543,861.78 and 96,390.18

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Solution

The fourth proportional to 362,608.02, 543,861.78 and 96,390.18 is: 144,571.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,608.02 : 543,861.78 = 96,390.18 : x
  2. Step 2: Convert to fraction form
    362,608.02/543,861.78 = 96,390.18/x
  3. Step 3: Cross multiply
    362,608.02x = 543,861.78 × 96,390.18
  4. Step 4: Simplify right side
    362,608.02x = 52,422,934,869.32
  5. Step 5: Solve for x
    x = 52,422,934,869.32/362,608.02
  6. Step 6: Final answer
    x = 144,571.91

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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.