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Finding the Fourth Proportional to 362,433.11, 543,668.40 and 92,563.76

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Solution

The fourth proportional to 362,433.11, 543,668.40 and 92,563.76 is: 138,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,433.11 : 543,668.40 = 92,563.76 : x
  2. Step 2: Convert to fraction form
    362,433.11/543,668.40 = 92,563.76/x
  3. Step 3: Cross multiply
    362,433.11x = 543,668.40 × 92,563.76
  4. Step 4: Simplify right side
    362,433.11x = 50,323,988,578.84
  5. Step 5: Solve for x
    x = 50,323,988,578.84/362,433.11
  6. Step 6: Final answer
    x = 138,850.42

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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.