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Finding the Fourth Proportional to 68,407.44, 102,603.93 and 32,375.27

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Solution

The fourth proportional to 68,407.44, 102,603.93 and 32,375.27 is: 48,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,407.44 : 102,603.93 = 32,375.27 : x
  2. Step 2: Convert to fraction form
    68,407.44/102,603.93 = 32,375.27/x
  3. Step 3: Cross multiply
    68,407.44x = 102,603.93 × 32,375.27
  4. Step 4: Simplify right side
    68,407.44x = 3,321,829,423.79
  5. Step 5: Solve for x
    x = 3,321,829,423.79/68,407.44
  6. Step 6: Final answer
    x = 48,559.48

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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.