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Finding the Fourth Proportional to 186,883.66, 280,362.42 and 68,556.03

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Solution

The fourth proportional to 186,883.66, 280,362.42 and 68,556.03 is: 102,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,883.66 : 280,362.42 = 68,556.03 : x
  2. Step 2: Convert to fraction form
    186,883.66/280,362.42 = 68,556.03/x
  3. Step 3: Cross multiply
    186,883.66x = 280,362.42 × 68,556.03
  4. Step 4: Simplify right side
    186,883.66x = 19,220,534,476.39
  5. Step 5: Solve for x
    x = 19,220,534,476.39/186,883.66
  6. Step 6: Final answer
    x = 102,847.59

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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.