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Finding the Fourth Proportional to 299,134.50, 412,805.62 and 164,998.50

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Solution

The fourth proportional to 299,134.50, 412,805.62 and 164,998.50 is: 227,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,134.50 : 412,805.62 = 164,998.50 : x
  2. Step 2: Convert to fraction form
    299,134.50/412,805.62 = 164,998.50/x
  3. Step 3: Cross multiply
    299,134.50x = 412,805.62 × 164,998.50
  4. Step 4: Simplify right side
    299,134.50x = 68,112,308,091.57
  5. Step 5: Solve for x
    x = 68,112,308,091.57/299,134.50
  6. Step 6: Final answer
    x = 227,697.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.