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Finding the Fourth Proportional to 221,331.60, 332,040.60 and 94,971.60

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Solution

The fourth proportional to 221,331.60, 332,040.60 and 94,971.60 is: 142,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,331.60 : 332,040.60 = 94,971.60 : x
  2. Step 2: Convert to fraction form
    221,331.60/332,040.60 = 94,971.60/x
  3. Step 3: Cross multiply
    221,331.60x = 332,040.60 × 94,971.60
  4. Step 4: Simplify right side
    221,331.60x = 31,534,427,046.96
  5. Step 5: Solve for x
    x = 31,534,427,046.96/221,331.60
  6. Step 6: Final answer
    x = 142,475.94

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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.