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Finding the Fourth Proportional to 79,850.46, 119,796.21 and 29,931.24

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Solution

The fourth proportional to 79,850.46, 119,796.21 and 29,931.24 is: 44,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,850.46 : 119,796.21 = 29,931.24 : x
  2. Step 2: Convert to fraction form
    79,850.46/119,796.21 = 29,931.24/x
  3. Step 3: Cross multiply
    79,850.46x = 119,796.21 × 29,931.24
  4. Step 4: Simplify right side
    79,850.46x = 3,585,649,112.60
  5. Step 5: Solve for x
    x = 3,585,649,112.60/79,850.46
  6. Step 6: Final answer
    x = 44,904.55

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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.