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Finding the Fourth Proportional to 68,383.94, 102,553.76 and 22,779.54

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Solution

The fourth proportional to 68,383.94, 102,553.76 and 22,779.54 is: 34,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383.94 : 102,553.76 = 22,779.54 : x
  2. Step 2: Convert to fraction form
    68,383.94/102,553.76 = 22,779.54/x
  3. Step 3: Cross multiply
    68,383.94x = 102,553.76 × 22,779.54
  4. Step 4: Simplify right side
    68,383.94x = 2,336,127,478.07
  5. Step 5: Solve for x
    x = 2,336,127,478.07/68,383.94
  6. Step 6: Final answer
    x = 34,161.93

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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.