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Finding the Fourth Proportional to 68,793.05, 94,894.08 and 43,258.92

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Solution

The fourth proportional to 68,793.05, 94,894.08 and 43,258.92 is: 59,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,793.05 : 94,894.08 = 43,258.92 : x
  2. Step 2: Convert to fraction form
    68,793.05/94,894.08 = 43,258.92/x
  3. Step 3: Cross multiply
    68,793.05x = 94,894.08 × 43,258.92
  4. Step 4: Simplify right side
    68,793.05x = 4,105,015,415.19
  5. Step 5: Solve for x
    x = 4,105,015,415.19/68,793.05
  6. Step 6: Final answer
    x = 59,671.95

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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.