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Finding the Fourth Proportional to 262,839.90, 394,259.81 and 63,160.29

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Solution

The fourth proportional to 262,839.90, 394,259.81 and 63,160.29 is: 94,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,839.90 : 394,259.81 = 63,160.29 : x
  2. Step 2: Convert to fraction form
    262,839.90/394,259.81 = 63,160.29/x
  3. Step 3: Cross multiply
    262,839.90x = 394,259.81 × 63,160.29
  4. Step 4: Simplify right side
    262,839.90x = 24,901,562,776.75
  5. Step 5: Solve for x
    x = 24,901,562,776.75/262,839.90
  6. Step 6: Final answer
    x = 94,740.42

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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.