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Finding the Fourth Proportional to 74,542.55, 102,895.41 and 44,327.76

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Solution

The fourth proportional to 74,542.55, 102,895.41 and 44,327.76 is: 61,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.55 : 102,895.41 = 44,327.76 : x
  2. Step 2: Convert to fraction form
    74,542.55/102,895.41 = 44,327.76/x
  3. Step 3: Cross multiply
    74,542.55x = 102,895.41 × 44,327.76
  4. Step 4: Simplify right side
    74,542.55x = 4,561,123,039.58
  5. Step 5: Solve for x
    x = 4,561,123,039.58/74,542.55
  6. Step 6: Final answer
    x = 61,188.19

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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.