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Finding the Fourth Proportional to 362,137.80, 543,206.70 and 151,753.80

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Solution

The fourth proportional to 362,137.80, 543,206.70 and 151,753.80 is: 227,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,137.80 : 543,206.70 = 151,753.80 : x
  2. Step 2: Convert to fraction form
    362,137.80/543,206.70 = 151,753.80/x
  3. Step 3: Cross multiply
    362,137.80x = 543,206.70 × 151,753.80
  4. Step 4: Simplify right side
    362,137.80x = 82,433,680,910.46
  5. Step 5: Solve for x
    x = 82,433,680,910.46/362,137.80
  6. Step 6: Final answer
    x = 227,630.70

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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.