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Finding the Fourth Proportional to 199,755.93, 275,661.33 and 109,111.89

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Solution

The fourth proportional to 199,755.93, 275,661.33 and 109,111.89 is: 150,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,755.93 : 275,661.33 = 109,111.89 : x
  2. Step 2: Convert to fraction form
    199,755.93/275,661.33 = 109,111.89/x
  3. Step 3: Cross multiply
    199,755.93x = 275,661.33 × 109,111.89
  4. Step 4: Simplify right side
    199,755.93x = 30,077,928,716.21
  5. Step 5: Solve for x
    x = 30,077,928,716.21/199,755.93
  6. Step 6: Final answer
    x = 150,573.40

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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.