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Finding the Fourth Proportional to 80,063.46, 120,112.34 and 23,907.99

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Solution

The fourth proportional to 80,063.46, 120,112.34 and 23,907.99 is: 35,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.46 : 120,112.34 = 23,907.99 : x
  2. Step 2: Convert to fraction form
    80,063.46/120,112.34 = 23,907.99/x
  3. Step 3: Cross multiply
    80,063.46x = 120,112.34 × 23,907.99
  4. Step 4: Simplify right side
    80,063.46x = 2,871,644,623.60
  5. Step 5: Solve for x
    x = 2,871,644,623.60/80,063.46
  6. Step 6: Final answer
    x = 35,867.11

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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.