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Finding the Fourth Proportional to 199,254.67, 274,963.16 and 108,608.63

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Solution

The fourth proportional to 199,254.67, 274,963.16 and 108,608.63 is: 149,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,254.67 : 274,963.16 = 108,608.63 : x
  2. Step 2: Convert to fraction form
    199,254.67/274,963.16 = 108,608.63/x
  3. Step 3: Cross multiply
    199,254.67x = 274,963.16 × 108,608.63
  4. Step 4: Simplify right side
    199,254.67x = 29,863,373,067.00
  5. Step 5: Solve for x
    x = 29,863,373,067.00/199,254.67
  6. Step 6: Final answer
    x = 149,875.40

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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.