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Finding the Fourth Proportional to 80,244.81, 110,736.48 and 44,434.05

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Solution

The fourth proportional to 80,244.81, 110,736.48 and 44,434.05 is: 61,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.81 : 110,736.48 = 44,434.05 : x
  2. Step 2: Convert to fraction form
    80,244.81/110,736.48 = 44,434.05/x
  3. Step 3: Cross multiply
    80,244.81x = 110,736.48 × 44,434.05
  4. Step 4: Simplify right side
    80,244.81x = 4,920,470,289.14
  5. Step 5: Solve for x
    x = 4,920,470,289.14/80,244.81
  6. Step 6: Final answer
    x = 61,318.24

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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.