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Finding the Fourth Proportional to 68,149.12, 94,044.78 and 37,934.40

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Solution

The fourth proportional to 68,149.12, 94,044.78 and 37,934.40 is: 52,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,149.12 : 94,044.78 = 37,934.40 : x
  2. Step 2: Convert to fraction form
    68,149.12/94,044.78 = 37,934.40/x
  3. Step 3: Cross multiply
    68,149.12x = 94,044.78 × 37,934.40
  4. Step 4: Simplify right side
    68,149.12x = 3,567,532,126.10
  5. Step 5: Solve for x
    x = 3,567,532,126.10/68,149.12
  6. Step 6: Final answer
    x = 52,348.91

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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.