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Finding the Fourth Proportional to 199,251.74, 298,714.74 and 92,702.12

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Solution

The fourth proportional to 199,251.74, 298,714.74 and 92,702.12 is: 138,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,251.74 : 298,714.74 = 92,702.12 : x
  2. Step 2: Convert to fraction form
    199,251.74/298,714.74 = 92,702.12/x
  3. Step 3: Cross multiply
    199,251.74x = 298,714.74 × 92,702.12
  4. Step 4: Simplify right side
    199,251.74x = 27,691,489,673.25
  5. Step 5: Solve for x
    x = 27,691,489,673.25/199,251.74
  6. Step 6: Final answer
    x = 138,977.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.