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Finding the Fourth Proportional to 74,944.56, 103,423.24 and 41,410.48

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Solution

The fourth proportional to 74,944.56, 103,423.24 and 41,410.48 is: 57,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,944.56 : 103,423.24 = 41,410.48 : x
  2. Step 2: Convert to fraction form
    74,944.56/103,423.24 = 41,410.48/x
  3. Step 3: Cross multiply
    74,944.56x = 103,423.24 × 41,410.48
  4. Step 4: Simplify right side
    74,944.56x = 4,282,806,011.56
  5. Step 5: Solve for x
    x = 4,282,806,011.56/74,944.56
  6. Step 6: Final answer
    x = 57,146.32

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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.