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Finding the Fourth Proportional to 80,361.95, 110,895.36 and 44,551.58

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Solution

The fourth proportional to 80,361.95, 110,895.36 and 44,551.58 is: 61,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,361.95 : 110,895.36 = 44,551.58 : x
  2. Step 2: Convert to fraction form
    80,361.95/110,895.36 = 44,551.58/x
  3. Step 3: Cross multiply
    80,361.95x = 110,895.36 × 44,551.58
  4. Step 4: Simplify right side
    80,361.95x = 4,940,563,502.67
  5. Step 5: Solve for x
    x = 4,940,563,502.67/80,361.95
  6. Step 6: Final answer
    x = 61,478.89

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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.