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Finding the Fourth Proportional to 80,004.30, 110,403.78 and 44,193.54

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Solution

The fourth proportional to 80,004.30, 110,403.78 and 44,193.54 is: 60,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,004.30 : 110,403.78 = 44,193.54 : x
  2. Step 2: Convert to fraction form
    80,004.30/110,403.78 = 44,193.54/x
  3. Step 3: Cross multiply
    80,004.30x = 110,403.78 × 44,193.54
  4. Step 4: Simplify right side
    80,004.30x = 4,879,133,867.58
  5. Step 5: Solve for x
    x = 4,879,133,867.58/80,004.30
  6. Step 6: Final answer
    x = 60,985.90

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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.