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Finding the Fourth Proportional to 100,550.89, 150,826.30 and 25,671.03

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Solution

The fourth proportional to 100,550.89, 150,826.30 and 25,671.03 is: 38,506.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,550.89 : 150,826.30 = 25,671.03 : x
  2. Step 2: Convert to fraction form
    100,550.89/150,826.30 = 25,671.03/x
  3. Step 3: Cross multiply
    100,550.89x = 150,826.30 × 25,671.03
  4. Step 4: Simplify right side
    100,550.89x = 3,871,866,472.09
  5. Step 5: Solve for x
    x = 3,871,866,472.09/100,550.89
  6. Step 6: Final answer
    x = 38,506.54

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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.