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Finding the Fourth Proportional to 333,976.70, 501,025.80 and 109,274.60

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Solution

The fourth proportional to 333,976.70, 501,025.80 and 109,274.60 is: 163,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,976.70 : 501,025.80 = 109,274.60 : x
  2. Step 2: Convert to fraction form
    333,976.70/501,025.80 = 109,274.60/x
  3. Step 3: Cross multiply
    333,976.70x = 501,025.80 × 109,274.60
  4. Step 4: Simplify right side
    333,976.70x = 54,749,393,884.68
  5. Step 5: Solve for x
    x = 54,749,393,884.68/333,976.70
  6. Step 6: Final answer
    x = 163,931.78

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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.