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Finding the Fourth Proportional to 150,404.55, 225,606.83 and 61,628.55

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Solution

The fourth proportional to 150,404.55, 225,606.83 and 61,628.55 is: 92,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,404.55 : 225,606.83 = 61,628.55 : x
  2. Step 2: Convert to fraction form
    150,404.55/225,606.83 = 61,628.55/x
  3. Step 3: Cross multiply
    150,404.55x = 225,606.83 × 61,628.55
  4. Step 4: Simplify right side
    150,404.55x = 13,903,821,494.85
  5. Step 5: Solve for x
    x = 13,903,821,494.85/150,404.55
  6. Step 6: Final answer
    x = 92,442.83

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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.