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Finding the Fourth Proportional to 68,025.75, 93,879.69 and 37,811.25

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Solution

The fourth proportional to 68,025.75, 93,879.69 and 37,811.25 is: 52,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,025.75 : 93,879.69 = 37,811.25 : x
  2. Step 2: Convert to fraction form
    68,025.75/93,879.69 = 37,811.25/x
  3. Step 3: Cross multiply
    68,025.75x = 93,879.69 × 37,811.25
  4. Step 4: Simplify right side
    68,025.75x = 3,549,708,428.51
  5. Step 5: Solve for x
    x = 3,549,708,428.51/68,025.75
  6. Step 6: Final answer
    x = 52,181.83

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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.