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Finding the Fourth Proportional to 101,600.42, 140,192.25 and 63,847.94

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Solution

The fourth proportional to 101,600.42, 140,192.25 and 63,847.94 is: 88,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,600.42 : 140,192.25 = 63,847.94 : x
  2. Step 2: Convert to fraction form
    101,600.42/140,192.25 = 63,847.94/x
  3. Step 3: Cross multiply
    101,600.42x = 140,192.25 × 63,847.94
  4. Step 4: Simplify right side
    101,600.42x = 8,950,986,366.47
  5. Step 5: Solve for x
    x = 8,950,986,366.47/101,600.42
  6. Step 6: Final answer
    x = 88,099.90

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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.