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Finding the Fourth Proportional to 69,255, 103,908.42 and 35,954.28

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Solution

The fourth proportional to 69,255, 103,908.42 and 35,954.28 is: 53,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,255 : 103,908.42 = 35,954.28 : x
  2. Step 2: Convert to fraction form
    69,255/103,908.42 = 35,954.28/x
  3. Step 3: Cross multiply
    69,255x = 103,908.42 × 35,954.28
  4. Step 4: Simplify right side
    69,255x = 3,735,952,427.04
  5. Step 5: Solve for x
    x = 3,735,952,427.04/69,255
  6. Step 6: Final answer
    x = 53,944.88

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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.