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Finding the Fourth Proportional to 73,370.78, 101,204.63 and 50,389.51

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Solution

The fourth proportional to 73,370.78, 101,204.63 and 50,389.51 is: 69,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,370.78 : 101,204.63 = 50,389.51 : x
  2. Step 2: Convert to fraction form
    73,370.78/101,204.63 = 50,389.51/x
  3. Step 3: Cross multiply
    73,370.78x = 101,204.63 × 50,389.51
  4. Step 4: Simplify right side
    73,370.78x = 5,099,651,778.95
  5. Step 5: Solve for x
    x = 5,099,651,778.95/73,370.78
  6. Step 6: Final answer
    x = 69,505.22

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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.