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Finding the Fourth Proportional to 68,858.64, 103,258.80 and 24,496.56

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Solution

The fourth proportional to 68,858.64, 103,258.80 and 24,496.56 is: 36,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,858.64 : 103,258.80 = 24,496.56 : x
  2. Step 2: Convert to fraction form
    68,858.64/103,258.80 = 24,496.56/x
  3. Step 3: Cross multiply
    68,858.64x = 103,258.80 × 24,496.56
  4. Step 4: Simplify right side
    68,858.64x = 2,529,485,389.73
  5. Step 5: Solve for x
    x = 2,529,485,389.73/68,858.64
  6. Step 6: Final answer
    x = 36,734.47

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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.