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Finding the Fourth Proportional to 362,093.80, 543,140.70 and 151,709.80

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Solution

The fourth proportional to 362,093.80, 543,140.70 and 151,709.80 is: 227,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,093.80 : 543,140.70 = 151,709.80 : x
  2. Step 2: Convert to fraction form
    362,093.80/543,140.70 = 151,709.80/x
  3. Step 3: Cross multiply
    362,093.80x = 543,140.70 × 151,709.80
  4. Step 4: Simplify right side
    362,093.80x = 82,399,766,968.86
  5. Step 5: Solve for x
    x = 82,399,766,968.86/362,093.80
  6. Step 6: Final answer
    x = 227,564.70

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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.