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Finding the Fourth Proportional to 80,418.96, 110,974.41 and 44,608.59

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Solution

The fourth proportional to 80,418.96, 110,974.41 and 44,608.59 is: 61,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,418.96 : 110,974.41 = 44,608.59 : x
  2. Step 2: Convert to fraction form
    80,418.96/110,974.41 = 44,608.59/x
  3. Step 3: Cross multiply
    80,418.96x = 110,974.41 × 44,608.59
  4. Step 4: Simplify right side
    80,418.96x = 4,950,411,956.18
  5. Step 5: Solve for x
    x = 4,950,411,956.18/80,418.96
  6. Step 6: Final answer
    x = 61,557.77

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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.