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Finding the Fourth Proportional to 74,661.65, 103,033.22 and 44,448.02

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Solution

The fourth proportional to 74,661.65, 103,033.22 and 44,448.02 is: 61,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,661.65 : 103,033.22 = 44,448.02 : x
  2. Step 2: Convert to fraction form
    74,661.65/103,033.22 = 44,448.02/x
  3. Step 3: Cross multiply
    74,661.65x = 103,033.22 × 44,448.02
  4. Step 4: Simplify right side
    74,661.65x = 4,579,621,982.41
  5. Step 5: Solve for x
    x = 4,579,621,982.41/74,661.65
  6. Step 6: Final answer
    x = 61,338.35

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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.