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Finding the Fourth Proportional to 74,246.86, 101,892.58 and 73,721.98

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Solution

The fourth proportional to 74,246.86, 101,892.58 and 73,721.98 is: 101,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.86 : 101,892.58 = 73,721.98 : x
  2. Step 2: Convert to fraction form
    74,246.86/101,892.58 = 73,721.98/x
  3. Step 3: Cross multiply
    74,246.86x = 101,892.58 × 73,721.98
  4. Step 4: Simplify right side
    74,246.86x = 7,511,722,744.91
  5. Step 5: Solve for x
    x = 7,511,722,744.91/74,246.86
  6. Step 6: Final answer
    x = 101,172.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.