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Finding the Fourth Proportional to 80,455.82, 111,020.02 and 44,647.34

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Solution

The fourth proportional to 80,455.82, 111,020.02 and 44,647.34 is: 61,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455.82 : 111,020.02 = 44,647.34 : x
  2. Step 2: Convert to fraction form
    80,455.82/111,020.02 = 44,647.34/x
  3. Step 3: Cross multiply
    80,455.82x = 111,020.02 × 44,647.34
  4. Step 4: Simplify right side
    80,455.82x = 4,956,747,913.03
  5. Step 5: Solve for x
    x = 4,956,747,913.03/80,455.82
  6. Step 6: Final answer
    x = 61,608.32

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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.