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Finding the Fourth Proportional to 199,708.37, 275,599.76 and 109,067.01

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Solution

The fourth proportional to 199,708.37, 275,599.76 and 109,067.01 is: 150,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,708.37 : 275,599.76 = 109,067.01 : x
  2. Step 2: Convert to fraction form
    199,708.37/275,599.76 = 109,067.01/x
  3. Step 3: Cross multiply
    199,708.37x = 275,599.76 × 109,067.01
  4. Step 4: Simplify right side
    199,708.37x = 30,058,841,779.92
  5. Step 5: Solve for x
    x = 30,058,841,779.92/199,708.37
  6. Step 6: Final answer
    x = 150,513.68

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1.5x scale

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.