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Finding the Fourth Proportional to 74,867.39, 103,317.06 and 41,333.39

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Solution

The fourth proportional to 74,867.39, 103,317.06 and 41,333.39 is: 57,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,867.39 : 103,317.06 = 41,333.39 : x
  2. Step 2: Convert to fraction form
    74,867.39/103,317.06 = 41,333.39/x
  3. Step 3: Cross multiply
    74,867.39x = 103,317.06 × 41,333.39
  4. Step 4: Simplify right side
    74,867.39x = 4,270,444,334.63
  5. Step 5: Solve for x
    x = 4,270,444,334.63/74,867.39
  6. Step 6: Final answer
    x = 57,040.11

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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.