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Finding the Fourth Proportional to 68,513.68, 94,564.13 and 41,650.50

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Solution

The fourth proportional to 68,513.68, 94,564.13 and 41,650.50 is: 57,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,513.68 : 94,564.13 = 41,650.50 : x
  2. Step 2: Convert to fraction form
    68,513.68/94,564.13 = 41,650.50/x
  3. Step 3: Cross multiply
    68,513.68x = 94,564.13 × 41,650.50
  4. Step 4: Simplify right side
    68,513.68x = 3,938,643,296.57
  5. Step 5: Solve for x
    x = 3,938,643,296.57/68,513.68
  6. Step 6: Final answer
    x = 57,486.96

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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.