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Finding the Fourth Proportional to 75,294.81, 103,891.95 and 44,662.23

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Solution

The fourth proportional to 75,294.81, 103,891.95 and 44,662.23 is: 61,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,294.81 : 103,891.95 = 44,662.23 : x
  2. Step 2: Convert to fraction form
    75,294.81/103,891.95 = 44,662.23/x
  3. Step 3: Cross multiply
    75,294.81x = 103,891.95 × 44,662.23
  4. Step 4: Simplify right side
    75,294.81x = 4,640,046,166.05
  5. Step 5: Solve for x
    x = 4,640,046,166.05/75,294.81
  6. Step 6: Final answer
    x = 61,625.05

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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.