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Finding the Fourth Proportional to 269,898,858.20, 404,848,287.30 and 167,862,186.20

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Solution

The fourth proportional to 269,898,858.20, 404,848,287.30 and 167,862,186.20 is: 251,793,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,898,858.20 : 404,848,287.30 = 167,862,186.20 : x
  2. Step 2: Convert to fraction form
    269,898,858.20/404,848,287.30 = 167,862,186.20/x
  3. Step 3: Cross multiply
    269,898,858.20x = 404,848,287.30 × 167,862,186.20
  4. Step 4: Simplify right side
    269,898,858.20x = 67,958,718,585,503,696
  5. Step 5: Solve for x
    x = 67,958,718,585,503,696/269,898,858.20
  6. Step 6: Final answer
    x = 251,793,279.30

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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.