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Finding the Fourth Proportional to 68,863.70, 96,540.40 and 68,863.70

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Solution

The fourth proportional to 68,863.70, 96,540.40 and 68,863.70 is: 96,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.70 : 96,540.40 = 68,863.70 : x
  2. Step 2: Convert to fraction form
    68,863.70/96,540.40 = 68,863.70/x
  3. Step 3: Cross multiply
    68,863.70x = 96,540.40 × 68,863.70
  4. Step 4: Simplify right side
    68,863.70x = 6,648,129,143.48
  5. Step 5: Solve for x
    x = 6,648,129,143.48/68,863.70
  6. Step 6: Final answer
    x = 96,540.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.