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Finding the Fourth Proportional to 199,253.01, 274,967.35 and 108,608.97

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Solution

The fourth proportional to 199,253.01, 274,967.35 and 108,608.97 is: 149,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,253.01 : 274,967.35 = 108,608.97 : x
  2. Step 2: Convert to fraction form
    199,253.01/274,967.35 = 108,608.97/x
  3. Step 3: Cross multiply
    199,253.01x = 274,967.35 × 108,608.97
  4. Step 4: Simplify right side
    199,253.01x = 29,863,920,667.13
  5. Step 5: Solve for x
    x = 29,863,920,667.13/199,253.01
  6. Step 6: Final answer
    x = 149,879.40

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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.