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Finding the Fourth Proportional to 69,881.92, 104,822.76 and 23,134.84

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Solution

The fourth proportional to 69,881.92, 104,822.76 and 23,134.84 is: 34,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,881.92 : 104,822.76 = 23,134.84 : x
  2. Step 2: Convert to fraction form
    69,881.92/104,822.76 = 23,134.84/x
  3. Step 3: Cross multiply
    69,881.92x = 104,822.76 × 23,134.84
  4. Step 4: Simplify right side
    69,881.92x = 2,425,057,780.96
  5. Step 5: Solve for x
    x = 2,425,057,780.96/69,881.92
  6. Step 6: Final answer
    x = 34,702.22

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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.