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Finding the Fourth Proportional to 68,503.30, 94,538.13 and 41,641.40

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Solution

The fourth proportional to 68,503.30, 94,538.13 and 41,641.40 is: 57,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,503.30 : 94,538.13 = 41,641.40 : x
  2. Step 2: Convert to fraction form
    68,503.30/94,538.13 = 41,641.40/x
  3. Step 3: Cross multiply
    68,503.30x = 94,538.13 × 41,641.40
  4. Step 4: Simplify right side
    68,503.30x = 3,936,700,086.58
  5. Step 5: Solve for x
    x = 3,936,700,086.58/68,503.30
  6. Step 6: Final answer
    x = 57,467.31

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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.