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Finding the Fourth Proportional to 362,206.60, 543,285.60 and 95,961.40

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Solution

The fourth proportional to 362,206.60, 543,285.60 and 95,961.40 is: 143,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,206.60 : 543,285.60 = 95,961.40 : x
  2. Step 2: Convert to fraction form
    362,206.60/543,285.60 = 95,961.40/x
  3. Step 3: Cross multiply
    362,206.60x = 543,285.60 × 95,961.40
  4. Step 4: Simplify right side
    362,206.60x = 52,134,446,775.84
  5. Step 5: Solve for x
    x = 52,134,446,775.84/362,206.60
  6. Step 6: Final answer
    x = 143,935.66

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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.