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Finding the Fourth Proportional to 74,994.88, 103,452 and 48,107.48

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Solution

The fourth proportional to 74,994.88, 103,452 and 48,107.48 is: 66,362.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,994.88 : 103,452 = 48,107.48 : x
  2. Step 2: Convert to fraction form
    74,994.88/103,452 = 48,107.48/x
  3. Step 3: Cross multiply
    74,994.88x = 103,452 × 48,107.48
  4. Step 4: Simplify right side
    74,994.88x = 4,976,815,020.96
  5. Step 5: Solve for x
    x = 4,976,815,020.96/74,994.88
  6. Step 6: Final answer
    x = 66,362.06

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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.