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Finding the Fourth Proportional to 73,294.44, 109,755.58 and 61,416.98

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Solution

The fourth proportional to 73,294.44, 109,755.58 and 61,416.98 is: 91,969.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,294.44 : 109,755.58 = 61,416.98 : x
  2. Step 2: Convert to fraction form
    73,294.44/109,755.58 = 61,416.98/x
  3. Step 3: Cross multiply
    73,294.44x = 109,755.58 × 61,416.98
  4. Step 4: Simplify right side
    73,294.44x = 6,740,855,712.97
  5. Step 5: Solve for x
    x = 6,740,855,712.97/73,294.44
  6. Step 6: Final answer
    x = 91,969.54

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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.