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Finding the Fourth Proportional to 362,169.96, 543,283.98 and 137,637.96

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Solution

The fourth proportional to 362,169.96, 543,283.98 and 137,637.96 is: 206,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,169.96 : 543,283.98 = 137,637.96 : x
  2. Step 2: Convert to fraction form
    362,169.96/543,283.98 = 137,637.96/x
  3. Step 3: Cross multiply
    362,169.96x = 543,283.98 × 137,637.96
  4. Step 4: Simplify right side
    362,169.96x = 74,776,498,707.88
  5. Step 5: Solve for x
    x = 74,776,498,707.88/362,169.96
  6. Step 6: Final answer
    x = 206,467.98

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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.