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Finding the Fourth Proportional to 74,773.74, 103,184.11 and 44,558.40

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Solution

The fourth proportional to 74,773.74, 103,184.11 and 44,558.40 is: 61,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.74 : 103,184.11 = 44,558.40 : x
  2. Step 2: Convert to fraction form
    74,773.74/103,184.11 = 44,558.40/x
  3. Step 3: Cross multiply
    74,773.74x = 103,184.11 × 44,558.40
  4. Step 4: Simplify right side
    74,773.74x = 4,597,718,847.02
  5. Step 5: Solve for x
    x = 4,597,718,847.02/74,773.74
  6. Step 6: Final answer
    x = 61,488.42

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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.