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Finding the Fourth Proportional to 68,353.48, 94,328.76 and 37,729.99

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Solution

The fourth proportional to 68,353.48, 94,328.76 and 37,729.99 is: 52,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,353.48 : 94,328.76 = 37,729.99 : x
  2. Step 2: Convert to fraction form
    68,353.48/94,328.76 = 37,729.99/x
  3. Step 3: Cross multiply
    68,353.48x = 94,328.76 × 37,729.99
  4. Step 4: Simplify right side
    68,353.48x = 3,559,023,171.51
  5. Step 5: Solve for x
    x = 3,559,023,171.51/68,353.48
  6. Step 6: Final answer
    x = 52,067.91

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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.