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Finding the Fourth Proportional to 174,809.88, 261,966.42 and 79,806.60

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Solution

The fourth proportional to 174,809.88, 261,966.42 and 79,806.60 is: 119,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,809.88 : 261,966.42 = 79,806.60 : x
  2. Step 2: Convert to fraction form
    174,809.88/261,966.42 = 79,806.60/x
  3. Step 3: Cross multiply
    174,809.88x = 261,966.42 × 79,806.60
  4. Step 4: Simplify right side
    174,809.88x = 20,906,649,294.37
  5. Step 5: Solve for x
    x = 20,906,649,294.37/174,809.88
  6. Step 6: Final answer
    x = 119,596.50

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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.