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Finding the Fourth Proportional to 68,322.72, 102,367.44 and 37,102.08

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Solution

The fourth proportional to 68,322.72, 102,367.44 and 37,102.08 is: 55,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,322.72 : 102,367.44 = 37,102.08 : x
  2. Step 2: Convert to fraction form
    68,322.72/102,367.44 = 37,102.08/x
  3. Step 3: Cross multiply
    68,322.72x = 102,367.44 × 37,102.08
  4. Step 4: Simplify right side
    68,322.72x = 3,798,044,948.28
  5. Step 5: Solve for x
    x = 3,798,044,948.28/68,322.72
  6. Step 6: Final answer
    x = 55,589.78

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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.