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Finding the Fourth Proportional to 80,115, 110,556.87 and 44,305.32

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Solution

The fourth proportional to 80,115, 110,556.87 and 44,305.32 is: 61,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,115 : 110,556.87 = 44,305.32 : x
  2. Step 2: Convert to fraction form
    80,115/110,556.87 = 44,305.32/x
  3. Step 3: Cross multiply
    80,115x = 110,556.87 × 44,305.32
  4. Step 4: Simplify right side
    80,115x = 4,898,257,503.55
  5. Step 5: Solve for x
    x = 4,898,257,503.55/80,115
  6. Step 6: Final answer
    x = 61,140.33

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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.