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Finding the Fourth Proportional to 72,854.29, 100,511.29 and 44,163.49

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Solution

The fourth proportional to 72,854.29, 100,511.29 and 44,163.49 is: 60,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854.29 : 100,511.29 = 44,163.49 : x
  2. Step 2: Convert to fraction form
    72,854.29/100,511.29 = 44,163.49/x
  3. Step 3: Cross multiply
    72,854.29x = 100,511.29 × 44,163.49
  4. Step 4: Simplify right side
    72,854.29x = 4,438,929,094.77
  5. Step 5: Solve for x
    x = 4,438,929,094.77/72,854.29
  6. Step 6: Final answer
    x = 60,928.86

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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.