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Finding the Fourth Proportional to 103,694.55, 155,502.94 and 44,499.75

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Solution

The fourth proportional to 103,694.55, 155,502.94 and 44,499.75 is: 66,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.55 : 155,502.94 = 44,499.75 : x
  2. Step 2: Convert to fraction form
    103,694.55/155,502.94 = 44,499.75/x
  3. Step 3: Cross multiply
    103,694.55x = 155,502.94 × 44,499.75
  4. Step 4: Simplify right side
    103,694.55x = 6,919,841,954.27
  5. Step 5: Solve for x
    x = 6,919,841,954.27/103,694.55
  6. Step 6: Final answer
    x = 66,732.94

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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.