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Finding the Fourth Proportional to 80,380.46, 110,899.79 and 46,384.49

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Solution

The fourth proportional to 80,380.46, 110,899.79 and 46,384.49 is: 63,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.46 : 110,899.79 = 46,384.49 : x
  2. Step 2: Convert to fraction form
    80,380.46/110,899.79 = 46,384.49/x
  3. Step 3: Cross multiply
    80,380.46x = 110,899.79 × 46,384.49
  4. Step 4: Simplify right side
    80,380.46x = 5,144,030,200.26
  5. Step 5: Solve for x
    x = 5,144,030,200.26/80,380.46
  6. Step 6: Final answer
    x = 63,996.03

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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.