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Finding the Fourth Proportional to 68,412.25, 94,392.06 and 41,553.15

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Solution

The fourth proportional to 68,412.25, 94,392.06 and 41,553.15 is: 57,333.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,412.25 : 94,392.06 = 41,553.15 : x
  2. Step 2: Convert to fraction form
    68,412.25/94,392.06 = 41,553.15/x
  3. Step 3: Cross multiply
    68,412.25x = 94,392.06 × 41,553.15
  4. Step 4: Simplify right side
    68,412.25x = 3,922,287,566.02
  5. Step 5: Solve for x
    x = 3,922,287,566.02/68,412.25
  6. Step 6: Final answer
    x = 57,333.12

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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.