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Finding the Fourth Proportional to 181,563.40, 272,487.30 and 125,794.90

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Solution

The fourth proportional to 181,563.40, 272,487.30 and 125,794.90 is: 188,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,563.40 : 272,487.30 = 125,794.90 : x
  2. Step 2: Convert to fraction form
    181,563.40/272,487.30 = 125,794.90/x
  3. Step 3: Cross multiply
    181,563.40x = 272,487.30 × 125,794.90
  4. Step 4: Simplify right side
    181,563.40x = 34,277,512,654.77
  5. Step 5: Solve for x
    x = 34,277,512,654.77/181,563.40
  6. Step 6: Final answer
    x = 188,790.87

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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.