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Finding the Fourth Proportional to 68,007.35, 102,044.55 and 30,593.90

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Solution

The fourth proportional to 68,007.35, 102,044.55 and 30,593.90 is: 45,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.35 : 102,044.55 = 30,593.90 : x
  2. Step 2: Convert to fraction form
    68,007.35/102,044.55 = 30,593.90/x
  3. Step 3: Cross multiply
    68,007.35x = 102,044.55 × 30,593.90
  4. Step 4: Simplify right side
    68,007.35x = 3,121,940,758.25
  5. Step 5: Solve for x
    x = 3,121,940,758.25/68,007.35
  6. Step 6: Final answer
    x = 45,905.93

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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.