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Finding the Fourth Proportional to 207,741, 311,663.34 and 59,997

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Solution

The fourth proportional to 207,741, 311,663.34 and 59,997 is: 90,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,741 : 311,663.34 = 59,997 : x
  2. Step 2: Convert to fraction form
    207,741/311,663.34 = 59,997/x
  3. Step 3: Cross multiply
    207,741x = 311,663.34 × 59,997
  4. Step 4: Simplify right side
    207,741x = 18,698,865,409.98
  5. Step 5: Solve for x
    x = 18,698,865,409.98/207,741
  6. Step 6: Final answer
    x = 90,010.47

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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.