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Finding the Fourth Proportional to 251,555.00, 377,103.39 and 161,622.15

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Solution

The fourth proportional to 251,555.00, 377,103.39 and 161,622.15 is: 242,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,555.00 : 377,103.39 = 161,622.15 : x
  2. Step 2: Convert to fraction form
    251,555.00/377,103.39 = 161,622.15/x
  3. Step 3: Cross multiply
    251,555.00x = 377,103.39 × 161,622.15
  4. Step 4: Simplify right side
    251,555.00x = 60,948,260,664.09
  5. Step 5: Solve for x
    x = 60,948,260,664.09/251,555.00
  6. Step 6: Final answer
    x = 242,286.03

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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.