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Finding the Fourth Proportional to 73,472.74, 101,212.41 and 53,270.26

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Solution

The fourth proportional to 73,472.74, 101,212.41 and 53,270.26 is: 73,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,472.74 : 101,212.41 = 53,270.26 : x
  2. Step 2: Convert to fraction form
    73,472.74/101,212.41 = 53,270.26/x
  3. Step 3: Cross multiply
    73,472.74x = 101,212.41 × 53,270.26
  4. Step 4: Simplify right side
    73,472.74x = 5,391,611,395.93
  5. Step 5: Solve for x
    x = 5,391,611,395.93/73,472.74
  6. Step 6: Final answer
    x = 73,382.47

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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.