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Finding the Fourth Proportional to 74,744.88, 111,992.72 and 52,518.44

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Solution

The fourth proportional to 74,744.88, 111,992.72 and 52,518.44 is: 78,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744.88 : 111,992.72 = 52,518.44 : x
  2. Step 2: Convert to fraction form
    74,744.88/111,992.72 = 52,518.44/x
  3. Step 3: Cross multiply
    74,744.88x = 111,992.72 × 52,518.44
  4. Step 4: Simplify right side
    74,744.88x = 5,881,682,945.76
  5. Step 5: Solve for x
    x = 5,881,682,945.76/74,744.88
  6. Step 6: Final answer
    x = 78,690.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.