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Finding the Fourth Proportional to 69,044.94, 103,344.66 and 35,719.11

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Solution

The fourth proportional to 69,044.94, 103,344.66 and 35,719.11 is: 53,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,044.94 : 103,344.66 = 35,719.11 : x
  2. Step 2: Convert to fraction form
    69,044.94/103,344.66 = 35,719.11/x
  3. Step 3: Cross multiply
    69,044.94x = 103,344.66 × 35,719.11
  4. Step 4: Simplify right side
    69,044.94x = 3,691,379,278.45
  5. Step 5: Solve for x
    x = 3,691,379,278.45/69,044.94
  6. Step 6: Final answer
    x = 53,463.43

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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.