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Finding the Fourth Proportional to 80,894.81, 111,635.21 and 46,923.41

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Solution

The fourth proportional to 80,894.81, 111,635.21 and 46,923.41 is: 64,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,894.81 : 111,635.21 = 46,923.41 : x
  2. Step 2: Convert to fraction form
    80,894.81/111,635.21 = 46,923.41/x
  3. Step 3: Cross multiply
    80,894.81x = 111,635.21 × 46,923.41
  4. Step 4: Simplify right side
    80,894.81x = 5,238,305,125.66
  5. Step 5: Solve for x
    x = 5,238,305,125.66/80,894.81
  6. Step 6: Final answer
    x = 64,754.52

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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.