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Finding the Fourth Proportional to 74,647.56, 111,693.84 and 44,676.77

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Solution

The fourth proportional to 74,647.56, 111,693.84 and 44,676.77 is: 66,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,647.56 : 111,693.84 = 44,676.77 : x
  2. Step 2: Convert to fraction form
    74,647.56/111,693.84 = 44,676.77/x
  3. Step 3: Cross multiply
    74,647.56x = 111,693.84 × 44,676.77
  4. Step 4: Simplify right side
    74,647.56x = 4,990,120,000.10
  5. Step 5: Solve for x
    x = 4,990,120,000.10/74,647.56
  6. Step 6: Final answer
    x = 66,849.07

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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.