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Finding the Fourth Proportional to 100,040.94, 150,103.53 and 43,852.05

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Solution

The fourth proportional to 100,040.94, 150,103.53 and 43,852.05 is: 65,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,040.94 : 150,103.53 = 43,852.05 : x
  2. Step 2: Convert to fraction form
    100,040.94/150,103.53 = 43,852.05/x
  3. Step 3: Cross multiply
    100,040.94x = 150,103.53 × 43,852.05
  4. Step 4: Simplify right side
    100,040.94x = 6,582,347,502.74
  5. Step 5: Solve for x
    x = 6,582,347,502.74/100,040.94
  6. Step 6: Final answer
    x = 65,796.54

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1.5x scale

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.