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Finding the Fourth Proportional to 72,951.94, 109,426.79 and 44,497.24

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Solution

The fourth proportional to 72,951.94, 109,426.79 and 44,497.24 is: 66,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951.94 : 109,426.79 = 44,497.24 : x
  2. Step 2: Convert to fraction form
    72,951.94/109,426.79 = 44,497.24/x
  3. Step 3: Cross multiply
    72,951.94x = 109,426.79 × 44,497.24
  4. Step 4: Simplify right side
    72,951.94x = 4,869,190,137.06
  5. Step 5: Solve for x
    x = 4,869,190,137.06/72,951.94
  6. Step 6: Final answer
    x = 66,745.18

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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.