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Finding the Fourth Proportional to 163,989.00, 246,003.21 and 155,020.94

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Solution

The fourth proportional to 163,989.00, 246,003.21 and 155,020.94 is: 232,550.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,989.00 : 246,003.21 = 155,020.94 : x
  2. Step 2: Convert to fraction form
    163,989.00/246,003.21 = 155,020.94/x
  3. Step 3: Cross multiply
    163,989.00x = 246,003.21 × 155,020.94
  4. Step 4: Simplify right side
    163,989.00x = 38,135,647,627.20
  5. Step 5: Solve for x
    x = 38,135,647,627.20/163,989.00
  6. Step 6: Final answer
    x = 232,550.03

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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.