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Finding the Fourth Proportional to 188,866.56, 283,299.84 and 64,207.56

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Solution

The fourth proportional to 188,866.56, 283,299.84 and 64,207.56 is: 96,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,866.56 : 283,299.84 = 64,207.56 : x
  2. Step 2: Convert to fraction form
    188,866.56/283,299.84 = 64,207.56/x
  3. Step 3: Cross multiply
    188,866.56x = 283,299.84 × 64,207.56
  4. Step 4: Simplify right side
    188,866.56x = 18,189,991,474.79
  5. Step 5: Solve for x
    x = 18,189,991,474.79/188,866.56
  6. Step 6: Final answer
    x = 96,311.34

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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.