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Finding the Fourth Proportional to 104,184.56, 143,787.80 and 58,864.80

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Solution

The fourth proportional to 104,184.56, 143,787.80 and 58,864.80 is: 81,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.56 : 143,787.80 = 58,864.80 : x
  2. Step 2: Convert to fraction form
    104,184.56/143,787.80 = 58,864.80/x
  3. Step 3: Cross multiply
    104,184.56x = 143,787.80 × 58,864.80
  4. Step 4: Simplify right side
    104,184.56x = 8,464,040,089.44
  5. Step 5: Solve for x
    x = 8,464,040,089.44/104,184.56
  6. Step 6: Final answer
    x = 81,240.83

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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.