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Finding the Fourth Proportional to 80,301.96, 110,868.71 and 51,634.49

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Solution

The fourth proportional to 80,301.96, 110,868.71 and 51,634.49 is: 71,289.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,301.96 : 110,868.71 = 51,634.49 : x
  2. Step 2: Convert to fraction form
    80,301.96/110,868.71 = 51,634.49/x
  3. Step 3: Cross multiply
    80,301.96x = 110,868.71 × 51,634.49
  4. Step 4: Simplify right side
    80,301.96x = 5,724,648,485.29
  5. Step 5: Solve for x
    x = 5,724,648,485.29/80,301.96
  6. Step 6: Final answer
    x = 71,289.03

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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.