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Finding the Fourth Proportional to 107,793.50, 148,745.39 and 60,045.83

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Solution

The fourth proportional to 107,793.50, 148,745.39 and 60,045.83 is: 82,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,793.50 : 148,745.39 = 60,045.83 : x
  2. Step 2: Convert to fraction form
    107,793.50/148,745.39 = 60,045.83/x
  3. Step 3: Cross multiply
    107,793.50x = 148,745.39 × 60,045.83
  4. Step 4: Simplify right side
    107,793.50x = 8,931,539,357.27
  5. Step 5: Solve for x
    x = 8,931,539,357.27/107,793.50
  6. Step 6: Final answer
    x = 82,857.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.