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Finding the Fourth Proportional to 88,578.76, 122,243.54 and 50,855.44

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Solution

The fourth proportional to 88,578.76, 122,243.54 and 50,855.44 is: 70,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578.76 : 122,243.54 = 50,855.44 : x
  2. Step 2: Convert to fraction form
    88,578.76/122,243.54 = 50,855.44/x
  3. Step 3: Cross multiply
    88,578.76x = 122,243.54 × 50,855.44
  4. Step 4: Simplify right side
    88,578.76x = 6,216,749,013.86
  5. Step 5: Solve for x
    x = 6,216,749,013.86/88,578.76
  6. Step 6: Final answer
    x = 70,183.29

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1.5x scale

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.