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Finding the Fourth Proportional to 362,105.80, 543,158.70 and 95,907.40

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Solution

The fourth proportional to 362,105.80, 543,158.70 and 95,907.40 is: 143,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,105.80 : 543,158.70 = 95,907.40 : x
  2. Step 2: Convert to fraction form
    362,105.80/543,158.70 = 95,907.40/x
  3. Step 3: Cross multiply
    362,105.80x = 543,158.70 × 95,907.40
  4. Step 4: Simplify right side
    362,105.80x = 52,092,938,704.38
  5. Step 5: Solve for x
    x = 52,092,938,704.38/362,105.80
  6. Step 6: Final answer
    x = 143,861.10

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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.