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Finding the Fourth Proportional to 68,139.54, 94,035.30 and 37,926.14

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Solution

The fourth proportional to 68,139.54, 94,035.30 and 37,926.14 is: 52,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,139.54 : 94,035.30 = 37,926.14 : x
  2. Step 2: Convert to fraction form
    68,139.54/94,035.30 = 37,926.14/x
  3. Step 3: Cross multiply
    68,139.54x = 94,035.30 × 37,926.14
  4. Step 4: Simplify right side
    68,139.54x = 3,566,395,340.34
  5. Step 5: Solve for x
    x = 3,566,395,340.34/68,139.54
  6. Step 6: Final answer
    x = 52,339.59

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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.