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Finding the Fourth Proportional to 362,527.87, 543,792.03 and 137,836.40

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Solution

The fourth proportional to 362,527.87, 543,792.03 and 137,836.40 is: 206,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,527.87 : 543,792.03 = 137,836.40 : x
  2. Step 2: Convert to fraction form
    362,527.87/543,792.03 = 137,836.40/x
  3. Step 3: Cross multiply
    362,527.87x = 543,792.03 × 137,836.40
  4. Step 4: Simplify right side
    362,527.87x = 74,954,336,362.21
  5. Step 5: Solve for x
    x = 74,954,336,362.21/362,527.87
  6. Step 6: Final answer
    x = 206,754.69

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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.