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Finding the Fourth Proportional to 74,687.33, 103,063.70 and 44,474.87

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Solution

The fourth proportional to 74,687.33, 103,063.70 and 44,474.87 is: 61,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.33 : 103,063.70 = 44,474.87 : x
  2. Step 2: Convert to fraction form
    74,687.33/103,063.70 = 44,474.87/x
  3. Step 3: Cross multiply
    74,687.33x = 103,063.70 × 44,474.87
  4. Step 4: Simplify right side
    74,687.33x = 4,583,744,255.09
  5. Step 5: Solve for x
    x = 4,583,744,255.09/74,687.33
  6. Step 6: Final answer
    x = 61,372.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.