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Finding the Fourth Proportional to 74,805.93, 103,245.54 and 44,593.18

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Solution

The fourth proportional to 74,805.93, 103,245.54 and 44,593.18 is: 61,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,805.93 : 103,245.54 = 44,593.18 : x
  2. Step 2: Convert to fraction form
    74,805.93/103,245.54 = 44,593.18/x
  3. Step 3: Cross multiply
    74,805.93x = 103,245.54 × 44,593.18
  4. Step 4: Simplify right side
    74,805.93x = 4,604,047,104.84
  5. Step 5: Solve for x
    x = 4,604,047,104.84/74,805.93
  6. Step 6: Final answer
    x = 61,546.55

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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.