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Finding the Fourth Proportional to 68,739.97, 94,862.28 and 38,532.01

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Solution

The fourth proportional to 68,739.97, 94,862.28 and 38,532.01 is: 53,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,739.97 : 94,862.28 = 38,532.01 : x
  2. Step 2: Convert to fraction form
    68,739.97/94,862.28 = 38,532.01/x
  3. Step 3: Cross multiply
    68,739.97x = 94,862.28 × 38,532.01
  4. Step 4: Simplify right side
    68,739.97x = 3,655,234,321.58
  5. Step 5: Solve for x
    x = 3,655,234,321.58/68,739.97
  6. Step 6: Final answer
    x = 53,174.80

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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.