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Finding the Fourth Proportional to 80,647.85, 111,293.34 and 44,837.54

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Solution

The fourth proportional to 80,647.85, 111,293.34 and 44,837.54 is: 61,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,647.85 : 111,293.34 = 44,837.54 : x
  2. Step 2: Convert to fraction form
    80,647.85/111,293.34 = 44,837.54/x
  3. Step 3: Cross multiply
    80,647.85x = 111,293.34 × 44,837.54
  4. Step 4: Simplify right side
    80,647.85x = 4,990,119,027.52
  5. Step 5: Solve for x
    x = 4,990,119,027.52/80,647.85
  6. Step 6: Final answer
    x = 61,875.42

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1.5x scale

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.