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Finding the Fourth Proportional to 67,234.51, 100,914.08 and 33,977.98

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Solution

The fourth proportional to 67,234.51, 100,914.08 and 33,977.98 is: 50,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.51 : 100,914.08 = 33,977.98 : x
  2. Step 2: Convert to fraction form
    67,234.51/100,914.08 = 33,977.98/x
  3. Step 3: Cross multiply
    67,234.51x = 100,914.08 × 33,977.98
  4. Step 4: Simplify right side
    67,234.51x = 3,428,856,643.77
  5. Step 5: Solve for x
    x = 3,428,856,643.77/67,234.51
  6. Step 6: Final answer
    x = 50,998.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.