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Finding the Fourth Proportional to 74,804.43, 103,243.47 and 44,591.68

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Solution

The fourth proportional to 74,804.43, 103,243.47 and 44,591.68 is: 61,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,804.43 : 103,243.47 = 44,591.68 : x
  2. Step 2: Convert to fraction form
    74,804.43/103,243.47 = 44,591.68/x
  3. Step 3: Cross multiply
    74,804.43x = 103,243.47 × 44,591.68
  4. Step 4: Simplify right side
    74,804.43x = 4,603,799,351.00
  5. Step 5: Solve for x
    x = 4,603,799,351.00/74,804.43
  6. Step 6: Final answer
    x = 61,544.47

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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.