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Finding the Fourth Proportional to 74,884.73, 103,332.42 and 43,063.88

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Solution

The fourth proportional to 74,884.73, 103,332.42 and 43,063.88 is: 59,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.73 : 103,332.42 = 43,063.88 : x
  2. Step 2: Convert to fraction form
    74,884.73/103,332.42 = 43,063.88/x
  3. Step 3: Cross multiply
    74,884.73x = 103,332.42 × 43,063.88
  4. Step 4: Simplify right side
    74,884.73x = 4,449,894,418.33
  5. Step 5: Solve for x
    x = 4,449,894,418.33/74,884.73
  6. Step 6: Final answer
    x = 59,423.26

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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.