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Finding the Fourth Proportional to 88,991.86, 122,784.44 and 50,737.46

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Solution

The fourth proportional to 88,991.86, 122,784.44 and 50,737.46 is: 70,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.86 : 122,784.44 = 50,737.46 : x
  2. Step 2: Convert to fraction form
    88,991.86/122,784.44 = 50,737.46/x
  3. Step 3: Cross multiply
    88,991.86x = 122,784.44 × 50,737.46
  4. Step 4: Simplify right side
    88,991.86x = 6,229,770,396.22
  5. Step 5: Solve for x
    x = 6,229,770,396.22/88,991.86
  6. Step 6: Final answer
    x = 70,003.82

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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.