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Finding the Fourth Proportional to 74,662.15, 103,033.91 and 44,448.52

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Solution

The fourth proportional to 74,662.15, 103,033.91 and 44,448.52 is: 61,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,662.15 : 103,033.91 = 44,448.52 : x
  2. Step 2: Convert to fraction form
    74,662.15/103,033.91 = 44,448.52/x
  3. Step 3: Cross multiply
    74,662.15x = 103,033.91 × 44,448.52
  4. Step 4: Simplify right side
    74,662.15x = 4,579,704,071.90
  5. Step 5: Solve for x
    x = 4,579,704,071.90/74,662.15
  6. Step 6: Final answer
    x = 61,339.03

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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.