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Finding the Fourth Proportional to 72,257.44, 108,349.24 and 44,184.57

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Solution

The fourth proportional to 72,257.44, 108,349.24 and 44,184.57 is: 66,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,257.44 : 108,349.24 = 44,184.57 : x
  2. Step 2: Convert to fraction form
    72,257.44/108,349.24 = 44,184.57/x
  3. Step 3: Cross multiply
    72,257.44x = 108,349.24 × 44,184.57
  4. Step 4: Simplify right side
    72,257.44x = 4,787,364,579.23
  5. Step 5: Solve for x
    x = 4,787,364,579.23/72,257.44
  6. Step 6: Final answer
    x = 66,254.28

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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.