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Finding the Fourth Proportional to 332,841, 499,261.50 and 111,225

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Solution

The fourth proportional to 332,841, 499,261.50 and 111,225 is: 166,837.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,841 : 499,261.50 = 111,225 : x
  2. Step 2: Convert to fraction form
    332,841/499,261.50 = 111,225/x
  3. Step 3: Cross multiply
    332,841x = 499,261.50 × 111,225
  4. Step 4: Simplify right side
    332,841x = 55,530,360,337.50
  5. Step 5: Solve for x
    x = 55,530,360,337.50/332,841
  6. Step 6: Final answer
    x = 166,837.50

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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.