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Finding the Fourth Proportional to 104,081.85, 155,871.09 and 59,573.70

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Solution

The fourth proportional to 104,081.85, 155,871.09 and 59,573.70 is: 89,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,081.85 : 155,871.09 = 59,573.70 : x
  2. Step 2: Convert to fraction form
    104,081.85/155,871.09 = 59,573.70/x
  3. Step 3: Cross multiply
    104,081.85x = 155,871.09 × 59,573.70
  4. Step 4: Simplify right side
    104,081.85x = 9,285,817,554.33
  5. Step 5: Solve for x
    x = 9,285,817,554.33/104,081.85
  6. Step 6: Final answer
    x = 89,216.49

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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.