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Finding the Fourth Proportional to 362,173.20, 543,262.52 and 137,473.06

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Solution

The fourth proportional to 362,173.20, 543,262.52 and 137,473.06 is: 206,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,173.20 : 543,262.52 = 137,473.06 : x
  2. Step 2: Convert to fraction form
    362,173.20/543,262.52 = 137,473.06/x
  3. Step 3: Cross multiply
    362,173.20x = 543,262.52 × 137,473.06
  4. Step 4: Simplify right side
    362,173.20x = 74,683,957,604.03
  5. Step 5: Solve for x
    x = 74,683,957,604.03/362,173.20
  6. Step 6: Final answer
    x = 206,210.62

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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.