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Finding the Fourth Proportional to 181,562.40, 272,485.80 and 125,793.90

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Solution

The fourth proportional to 181,562.40, 272,485.80 and 125,793.90 is: 188,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,562.40 : 272,485.80 = 125,793.90 : x
  2. Step 2: Convert to fraction form
    181,562.40/272,485.80 = 125,793.90/x
  3. Step 3: Cross multiply
    181,562.40x = 272,485.80 × 125,793.90
  4. Step 4: Simplify right side
    181,562.40x = 34,277,051,476.62
  5. Step 5: Solve for x
    x = 34,277,051,476.62/181,562.40
  6. Step 6: Final answer
    x = 188,789.37

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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.