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Finding the Fourth Proportional to 68,604.72, 94,677.12 and 39,922.08

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Solution

The fourth proportional to 68,604.72, 94,677.12 and 39,922.08 is: 55,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,604.72 : 94,677.12 = 39,922.08 : x
  2. Step 2: Convert to fraction form
    68,604.72/94,677.12 = 39,922.08/x
  3. Step 3: Cross multiply
    68,604.72x = 94,677.12 × 39,922.08
  4. Step 4: Simplify right side
    68,604.72x = 3,779,707,558.81
  5. Step 5: Solve for x
    x = 3,779,707,558.81/68,604.72
  6. Step 6: Final answer
    x = 55,093.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.