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Finding the Fourth Proportional to 74,661.56, 103,033.09 and 44,447.93

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Solution

The fourth proportional to 74,661.56, 103,033.09 and 44,447.93 is: 61,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.56 : 103,033.09 = 44,447.93 : x
  2. Step 2: Convert to fraction form
    74,661.56/103,033.09 = 44,447.93/x
  3. Step 3: Cross multiply
    74,661.56x = 103,033.09 × 44,447.93
  4. Step 4: Simplify right side
    74,661.56x = 4,579,606,945.72
  5. Step 5: Solve for x
    x = 4,579,606,945.72/74,661.56
  6. Step 6: Final answer
    x = 61,338.22

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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.