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Finding the Fourth Proportional to 80,604.54, 120,859.92 and 59,270.01

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Solution

The fourth proportional to 80,604.54, 120,859.92 and 59,270.01 is: 88,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604.54 : 120,859.92 = 59,270.01 : x
  2. Step 2: Convert to fraction form
    80,604.54/120,859.92 = 59,270.01/x
  3. Step 3: Cross multiply
    80,604.54x = 120,859.92 × 59,270.01
  4. Step 4: Simplify right side
    80,604.54x = 7,163,368,667.00
  5. Step 5: Solve for x
    x = 7,163,368,667.00/80,604.54
  6. Step 6: Final answer
    x = 88,870.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.