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Finding the Fourth Proportional to 70,963.77, 106,431.93 and 23,571.48

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Solution

The fourth proportional to 70,963.77, 106,431.93 and 23,571.48 is: 35,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,963.77 : 106,431.93 = 23,571.48 : x
  2. Step 2: Convert to fraction form
    70,963.77/106,431.93 = 23,571.48/x
  3. Step 3: Cross multiply
    70,963.77x = 106,431.93 × 23,571.48
  4. Step 4: Simplify right side
    70,963.77x = 2,508,758,109.36
  5. Step 5: Solve for x
    x = 2,508,758,109.36/70,963.77
  6. Step 6: Final answer
    x = 35,352.66

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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.