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Finding the Fourth Proportional to 68,599.33, 102,929.67 and 43,632.90

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Solution

The fourth proportional to 68,599.33, 102,929.67 and 43,632.90 is: 65,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,599.33 : 102,929.67 = 43,632.90 : x
  2. Step 2: Convert to fraction form
    68,599.33/102,929.67 = 43,632.90/x
  3. Step 3: Cross multiply
    68,599.33x = 102,929.67 × 43,632.90
  4. Step 4: Simplify right side
    68,599.33x = 4,491,119,998.14
  5. Step 5: Solve for x
    x = 4,491,119,998.14/68,599.33
  6. Step 6: Final answer
    x = 65,468.86

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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.