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Finding the Fourth Proportional to 150,074.44, 206,862.42 and 101,661.64

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Solution

The fourth proportional to 150,074.44, 206,862.42 and 101,661.64 is: 140,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,074.44 : 206,862.42 = 101,661.64 : x
  2. Step 2: Convert to fraction form
    150,074.44/206,862.42 = 101,661.64/x
  3. Step 3: Cross multiply
    150,074.44x = 206,862.42 × 101,661.64
  4. Step 4: Simplify right side
    150,074.44x = 21,029,972,871.57
  5. Step 5: Solve for x
    x = 21,029,972,871.57/150,074.44
  6. Step 6: Final answer
    x = 140,130.28

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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.