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Finding the Fourth Proportional to 150,606.28, 225,765.42 and 55,811.08

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Solution

The fourth proportional to 150,606.28, 225,765.42 and 55,811.08 is: 83,663.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,606.28 : 225,765.42 = 55,811.08 : x
  2. Step 2: Convert to fraction form
    150,606.28/225,765.42 = 55,811.08/x
  3. Step 3: Cross multiply
    150,606.28x = 225,765.42 × 55,811.08
  4. Step 4: Simplify right side
    150,606.28x = 12,600,211,916.85
  5. Step 5: Solve for x
    x = 12,600,211,916.85/150,606.28
  6. Step 6: Final answer
    x = 83,663.26

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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.