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Finding the Fourth Proportional to 173,133.80, 259,817.33 and 67,940.36

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Solution

The fourth proportional to 173,133.80, 259,817.33 and 67,940.36 is: 101,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,133.80 : 259,817.33 = 67,940.36 : x
  2. Step 2: Convert to fraction form
    173,133.80/259,817.33 = 67,940.36/x
  3. Step 3: Cross multiply
    173,133.80x = 259,817.33 × 67,940.36
  4. Step 4: Simplify right side
    173,133.80x = 17,652,081,805.20
  5. Step 5: Solve for x
    x = 17,652,081,805.20/173,133.80
  6. Step 6: Final answer
    x = 101,956.30

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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.