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Finding the Fourth Proportional to 88,405.98, 122,006.07 and 50,680.86

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Solution

The fourth proportional to 88,405.98, 122,006.07 and 50,680.86 is: 69,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405.98 : 122,006.07 = 50,680.86 : x
  2. Step 2: Convert to fraction form
    88,405.98/122,006.07 = 50,680.86/x
  3. Step 3: Cross multiply
    88,405.98x = 122,006.07 × 50,680.86
  4. Step 4: Simplify right side
    88,405.98x = 6,183,372,552.82
  5. Step 5: Solve for x
    x = 6,183,372,552.82/88,405.98
  6. Step 6: Final answer
    x = 69,942.92

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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.