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Finding the Fourth Proportional to 68,333, 94,299.56 and 38,525

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Solution

The fourth proportional to 68,333, 94,299.56 and 38,525 is: 53,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,333 : 94,299.56 = 38,525 : x
  2. Step 2: Convert to fraction form
    68,333/94,299.56 = 38,525/x
  3. Step 3: Cross multiply
    68,333x = 94,299.56 × 38,525
  4. Step 4: Simplify right side
    68,333x = 3,632,890,549
  5. Step 5: Solve for x
    x = 3,632,890,549/68,333
  6. Step 6: Final answer
    x = 53,164.51

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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.