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Finding the Fourth Proportional to 68,678.69, 103,028.36 and 24,305.87

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Solution

The fourth proportional to 68,678.69, 103,028.36 and 24,305.87 is: 36,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678.69 : 103,028.36 = 24,305.87 : x
  2. Step 2: Convert to fraction form
    68,678.69/103,028.36 = 24,305.87/x
  3. Step 3: Cross multiply
    68,678.69x = 103,028.36 × 24,305.87
  4. Step 4: Simplify right side
    68,678.69x = 2,504,194,060.51
  5. Step 5: Solve for x
    x = 2,504,194,060.51/68,678.69
  6. Step 6: Final answer
    x = 36,462.46

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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.