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Finding the Fourth Proportional to 192,764.08, 289,160.70 and 59,657.80

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Solution

The fourth proportional to 192,764.08, 289,160.70 and 59,657.80 is: 89,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,764.08 : 289,160.70 = 59,657.80 : x
  2. Step 2: Convert to fraction form
    192,764.08/289,160.70 = 59,657.80/x
  3. Step 3: Cross multiply
    192,764.08x = 289,160.70 × 59,657.80
  4. Step 4: Simplify right side
    192,764.08x = 17,250,691,208.46
  5. Step 5: Solve for x
    x = 17,250,691,208.46/192,764.08
  6. Step 6: Final answer
    x = 89,491.21

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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.