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Finding the Fourth Proportional to 269,897,561.70, 404,846,342.55 and 167,860,889.70

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Solution

The fourth proportional to 269,897,561.70, 404,846,342.55 and 167,860,889.70 is: 251,791,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,897,561.70 : 404,846,342.55 = 167,860,889.70 : x
  2. Step 2: Convert to fraction form
    269,897,561.70/404,846,342.55 = 167,860,889.70/x
  3. Step 3: Cross multiply
    269,897,561.70x = 404,846,342.55 × 167,860,889.70
  4. Step 4: Simplify right side
    269,897,561.70x = 67,957,867,252,233,960
  5. Step 5: Solve for x
    x = 67,957,867,252,233,960/269,897,561.70
  6. Step 6: Final answer
    x = 251,791,334.55

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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.