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Finding the Fourth Proportional to 73,072.70, 100,841.66 and 41,235.44

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Solution

The fourth proportional to 73,072.70, 100,841.66 and 41,235.44 is: 56,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,072.70 : 100,841.66 = 41,235.44 : x
  2. Step 2: Convert to fraction form
    73,072.70/100,841.66 = 41,235.44/x
  3. Step 3: Cross multiply
    73,072.70x = 100,841.66 × 41,235.44
  4. Step 4: Simplify right side
    73,072.70x = 4,158,250,220.43
  5. Step 5: Solve for x
    x = 4,158,250,220.43/73,072.70
  6. Step 6: Final answer
    x = 56,905.66

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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.