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Finding the Fourth Proportional to 68,089.77, 102,137.38 and 23,721.01

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Solution

The fourth proportional to 68,089.77, 102,137.38 and 23,721.01 is: 35,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.77 : 102,137.38 = 23,721.01 : x
  2. Step 2: Convert to fraction form
    68,089.77/102,137.38 = 23,721.01/x
  3. Step 3: Cross multiply
    68,089.77x = 102,137.38 × 23,721.01
  4. Step 4: Simplify right side
    68,089.77x = 2,422,801,497.71
  5. Step 5: Solve for x
    x = 2,422,801,497.71/68,089.77
  6. Step 6: Final answer
    x = 35,582.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.