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Finding the Fourth Proportional to 295,640.64, 443,345.92 and 95,912.73

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Solution

The fourth proportional to 295,640.64, 443,345.92 and 95,912.73 is: 143,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,640.64 : 443,345.92 = 95,912.73 : x
  2. Step 2: Convert to fraction form
    295,640.64/443,345.92 = 95,912.73/x
  3. Step 3: Cross multiply
    295,640.64x = 443,345.92 × 95,912.73
  4. Step 4: Simplify right side
    295,640.64x = 42,522,517,521.56
  5. Step 5: Solve for x
    x = 42,522,517,521.56/295,640.64
  6. Step 6: Final answer
    x = 143,831.77

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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.