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Finding the Fourth Proportional to 223,302.80, 335,238.42 and 144,745.76

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Solution

The fourth proportional to 223,302.80, 335,238.42 and 144,745.76 is: 217,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,302.80 : 335,238.42 = 144,745.76 : x
  2. Step 2: Convert to fraction form
    223,302.80/335,238.42 = 144,745.76/x
  3. Step 3: Cross multiply
    223,302.80x = 335,238.42 × 144,745.76
  4. Step 4: Simplify right side
    223,302.80x = 48,524,339,884.10
  5. Step 5: Solve for x
    x = 48,524,339,884.10/223,302.80
  6. Step 6: Final answer
    x = 217,302.87

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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.