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Finding the Fourth Proportional to 67,840.70, 101,761.05 and 44,221.10

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Solution

The fourth proportional to 67,840.70, 101,761.05 and 44,221.10 is: 66,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.70 : 101,761.05 = 44,221.10 : x
  2. Step 2: Convert to fraction form
    67,840.70/101,761.05 = 44,221.10/x
  3. Step 3: Cross multiply
    67,840.70x = 101,761.05 × 44,221.10
  4. Step 4: Simplify right side
    67,840.70x = 4,499,985,568.16
  5. Step 5: Solve for x
    x = 4,499,985,568.16/67,840.70
  6. Step 6: Final answer
    x = 66,331.65

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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.