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Finding the Fourth Proportional to 68,118.96, 102,178.75 and 23,745.64

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Solution

The fourth proportional to 68,118.96, 102,178.75 and 23,745.64 is: 35,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,118.96 : 102,178.75 = 23,745.64 : x
  2. Step 2: Convert to fraction form
    68,118.96/102,178.75 = 23,745.64/x
  3. Step 3: Cross multiply
    68,118.96x = 102,178.75 × 23,745.64
  4. Step 4: Simplify right side
    68,118.96x = 2,426,299,813.15
  5. Step 5: Solve for x
    x = 2,426,299,813.15/68,118.96
  6. Step 6: Final answer
    x = 35,618.57

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1.5x scale

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.