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Finding the Fourth Proportional to 221,575.96, 332,334.78 and 61,662.52

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Solution

The fourth proportional to 221,575.96, 332,334.78 and 61,662.52 is: 92,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,575.96 : 332,334.78 = 61,662.52 : x
  2. Step 2: Convert to fraction form
    221,575.96/332,334.78 = 61,662.52/x
  3. Step 3: Cross multiply
    221,575.96x = 332,334.78 × 61,662.52
  4. Step 4: Simplify right side
    221,575.96x = 20,492,600,018.45
  5. Step 5: Solve for x
    x = 20,492,600,018.45/221,575.96
  6. Step 6: Final answer
    x = 92,485.67

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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.