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Finding the Fourth Proportional to 68,387.94, 102,559.76 and 22,783.54

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Solution

The fourth proportional to 68,387.94, 102,559.76 and 22,783.54 is: 34,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,387.94 : 102,559.76 = 22,783.54 : x
  2. Step 2: Convert to fraction form
    68,387.94/102,559.76 = 22,783.54/x
  3. Step 3: Cross multiply
    68,387.94x = 102,559.76 × 22,783.54
  4. Step 4: Simplify right side
    68,387.94x = 2,336,674,394.35
  5. Step 5: Solve for x
    x = 2,336,674,394.35/68,387.94
  6. Step 6: Final answer
    x = 34,167.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.