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Finding the Fourth Proportional to 80,361.80, 110,876.82 and 46,821.32

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Solution

The fourth proportional to 80,361.80, 110,876.82 and 46,821.32 is: 64,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.80 : 110,876.82 = 46,821.32 : x
  2. Step 2: Convert to fraction form
    80,361.80/110,876.82 = 46,821.32/x
  3. Step 3: Cross multiply
    80,361.80x = 110,876.82 × 46,821.32
  4. Step 4: Simplify right side
    80,361.80x = 5,191,399,069.80
  5. Step 5: Solve for x
    x = 5,191,399,069.80/80,361.80
  6. Step 6: Final answer
    x = 64,600.33

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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.