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Finding the Fourth Proportional to 68,104.14, 93,978.18 and 37,889.52

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Solution

The fourth proportional to 68,104.14, 93,978.18 and 37,889.52 is: 52,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,104.14 : 93,978.18 = 37,889.52 : x
  2. Step 2: Convert to fraction form
    68,104.14/93,978.18 = 37,889.52/x
  3. Step 3: Cross multiply
    68,104.14x = 93,978.18 × 37,889.52
  4. Step 4: Simplify right side
    68,104.14x = 3,560,788,130.67
  5. Step 5: Solve for x
    x = 3,560,788,130.67/68,104.14
  6. Step 6: Final answer
    x = 52,284.46

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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.