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Finding the Fourth Proportional to 75,625.80, 104,367.08 and 42,093.96

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Solution

The fourth proportional to 75,625.80, 104,367.08 and 42,093.96 is: 58,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.80 : 104,367.08 = 42,093.96 : x
  2. Step 2: Convert to fraction form
    75,625.80/104,367.08 = 42,093.96/x
  3. Step 3: Cross multiply
    75,625.80x = 104,367.08 × 42,093.96
  4. Step 4: Simplify right side
    75,625.80x = 4,393,223,690.84
  5. Step 5: Solve for x
    x = 4,393,223,690.84/75,625.80
  6. Step 6: Final answer
    x = 58,091.60

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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.