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Finding the Fourth Proportional to 68,258.94, 94,197.80 and 38,046.21

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Solution

The fourth proportional to 68,258.94, 94,197.80 and 38,046.21 is: 52,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,258.94 : 94,197.80 = 38,046.21 : x
  2. Step 2: Convert to fraction form
    68,258.94/94,197.80 = 38,046.21/x
  3. Step 3: Cross multiply
    68,258.94x = 94,197.80 × 38,046.21
  4. Step 4: Simplify right side
    68,258.94x = 3,583,868,861.70
  5. Step 5: Solve for x
    x = 3,583,868,861.70/68,258.94
  6. Step 6: Final answer
    x = 52,504.02

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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.