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Finding the Fourth Proportional to 362,443.14, 543,665.07 and 137,750.76

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Solution

The fourth proportional to 362,443.14, 543,665.07 and 137,750.76 is: 206,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,443.14 : 543,665.07 = 137,750.76 : x
  2. Step 2: Convert to fraction form
    362,443.14/543,665.07 = 137,750.76/x
  3. Step 3: Cross multiply
    362,443.14x = 543,665.07 × 137,750.76
  4. Step 4: Simplify right side
    362,443.14x = 74,890,276,577.95
  5. Step 5: Solve for x
    x = 74,890,276,577.95/362,443.14
  6. Step 6: Final answer
    x = 206,626.28

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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.