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Finding the Fourth Proportional to 73,072.01, 100,842.20 and 41,240.23

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Solution

The fourth proportional to 73,072.01, 100,842.20 and 41,240.23 is: 56,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,072.01 : 100,842.20 = 41,240.23 : x
  2. Step 2: Convert to fraction form
    73,072.01/100,842.20 = 41,240.23/x
  3. Step 3: Cross multiply
    73,072.01x = 100,842.20 × 41,240.23
  4. Step 4: Simplify right side
    73,072.01x = 4,158,755,063.40
  5. Step 5: Solve for x
    x = 4,158,755,063.40/73,072.01
  6. Step 6: Final answer
    x = 56,913.10

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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.