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Finding the Fourth Proportional to 199,191.54, 274,880.82 and 108,548.16

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Solution

The fourth proportional to 199,191.54, 274,880.82 and 108,548.16 is: 149,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,191.54 : 274,880.82 = 108,548.16 : x
  2. Step 2: Convert to fraction form
    199,191.54/274,880.82 = 108,548.16/x
  3. Step 3: Cross multiply
    199,191.54x = 274,880.82 × 108,548.16
  4. Step 4: Simplify right side
    199,191.54x = 29,837,807,230.29
  5. Step 5: Solve for x
    x = 29,837,807,230.29/199,191.54
  6. Step 6: Final answer
    x = 149,794.55

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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.