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Finding the Fourth Proportional to 68,023.54, 93,867.94 and 37,806.90

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Solution

The fourth proportional to 68,023.54, 93,867.94 and 37,806.90 is: 52,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,023.54 : 93,867.94 = 37,806.90 : x
  2. Step 2: Convert to fraction form
    68,023.54/93,867.94 = 37,806.90/x
  3. Step 3: Cross multiply
    68,023.54x = 93,867.94 × 37,806.90
  4. Step 4: Simplify right side
    68,023.54x = 3,548,855,820.79
  5. Step 5: Solve for x
    x = 3,548,855,820.79/68,023.54
  6. Step 6: Final answer
    x = 52,171.00

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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.