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Finding the Fourth Proportional to 80,717.56, 111,388.71 and 44,907.46

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Solution

The fourth proportional to 80,717.56, 111,388.71 and 44,907.46 is: 61,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.56 : 111,388.71 = 44,907.46 : x
  2. Step 2: Convert to fraction form
    80,717.56/111,388.71 = 44,907.46/x
  3. Step 3: Cross multiply
    80,717.56x = 111,388.71 × 44,907.46
  4. Step 4: Simplify right side
    80,717.56x = 5,002,184,038.78
  5. Step 5: Solve for x
    x = 5,002,184,038.78/80,717.56
  6. Step 6: Final answer
    x = 61,971.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.