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Finding the Fourth Proportional to 73,215.43, 109,831.22 and 23,283.85

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Solution

The fourth proportional to 73,215.43, 109,831.22 and 23,283.85 is: 34,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.43 : 109,831.22 = 23,283.85 : x
  2. Step 2: Convert to fraction form
    73,215.43/109,831.22 = 23,283.85/x
  3. Step 3: Cross multiply
    73,215.43x = 109,831.22 × 23,283.85
  4. Step 4: Simplify right side
    73,215.43x = 2,557,293,651.80
  5. Step 5: Solve for x
    x = 2,557,293,651.80/73,215.43
  6. Step 6: Final answer
    x = 34,928.34

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1.5x scale

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.