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Finding the Fourth Proportional to 333,969.70, 501,015.30 and 109,267.60

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Solution

The fourth proportional to 333,969.70, 501,015.30 and 109,267.60 is: 163,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,969.70 : 501,015.30 = 109,267.60 : x
  2. Step 2: Convert to fraction form
    333,969.70/501,015.30 = 109,267.60/x
  3. Step 3: Cross multiply
    333,969.70x = 501,015.30 × 109,267.60
  4. Step 4: Simplify right side
    333,969.70x = 54,744,739,394.28
  5. Step 5: Solve for x
    x = 54,744,739,394.28/333,969.70
  6. Step 6: Final answer
    x = 163,921.28

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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.