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Finding the Fourth Proportional to 101,169.73, 151,831.19 and 56,833.78

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Solution

The fourth proportional to 101,169.73, 151,831.19 and 56,833.78 is: 85,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,169.73 : 151,831.19 = 56,833.78 : x
  2. Step 2: Convert to fraction form
    101,169.73/151,831.19 = 56,833.78/x
  3. Step 3: Cross multiply
    101,169.73x = 151,831.19 × 56,833.78
  4. Step 4: Simplify right side
    101,169.73x = 8,629,140,449.60
  5. Step 5: Solve for x
    x = 8,629,140,449.60/101,169.73
  6. Step 6: Final answer
    x = 85,293.70

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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.