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Finding the Fourth Proportional to 143,266.70, 214,826.22 and 64,313.30

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Solution

The fourth proportional to 143,266.70, 214,826.22 and 64,313.30 is: 96,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.70 : 214,826.22 = 64,313.30 : x
  2. Step 2: Convert to fraction form
    143,266.70/214,826.22 = 64,313.30/x
  3. Step 3: Cross multiply
    143,266.70x = 214,826.22 × 64,313.30
  4. Step 4: Simplify right side
    143,266.70x = 13,816,183,134.73
  5. Step 5: Solve for x
    x = 13,816,183,134.73/143,266.70
  6. Step 6: Final answer
    x = 96,436.81

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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.