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Finding the Fourth Proportional to 68,655.68, 94,754.94 and 41,813.90

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Solution

The fourth proportional to 68,655.68, 94,754.94 and 41,813.90 is: 57,709.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,655.68 : 94,754.94 = 41,813.90 : x
  2. Step 2: Convert to fraction form
    68,655.68/94,754.94 = 41,813.90/x
  3. Step 3: Cross multiply
    68,655.68x = 94,754.94 × 41,813.90
  4. Step 4: Simplify right side
    68,655.68x = 3,962,073,585.67
  5. Step 5: Solve for x
    x = 3,962,073,585.67/68,655.68
  6. Step 6: Final answer
    x = 57,709.33

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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.