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Finding the Fourth Proportional to 80,085.64, 110,509.14 and 44,266.60

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Solution

The fourth proportional to 80,085.64, 110,509.14 and 44,266.60 is: 61,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.64 : 110,509.14 = 44,266.60 : x
  2. Step 2: Convert to fraction form
    80,085.64/110,509.14 = 44,266.60/x
  3. Step 3: Cross multiply
    80,085.64x = 110,509.14 × 44,266.60
  4. Step 4: Simplify right side
    80,085.64x = 4,891,863,896.72
  5. Step 5: Solve for x
    x = 4,891,863,896.72/80,085.64
  6. Step 6: Final answer
    x = 61,082.91

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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.