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Finding the Fourth Proportional to 550,021.94, 825,033.56 and 150,666.15

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Solution

The fourth proportional to 550,021.94, 825,033.56 and 150,666.15 is: 225,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,021.94 : 825,033.56 = 150,666.15 : x
  2. Step 2: Convert to fraction form
    550,021.94/825,033.56 = 150,666.15/x
  3. Step 3: Cross multiply
    550,021.94x = 825,033.56 × 150,666.15
  4. Step 4: Simplify right side
    550,021.94x = 124,304,630,105.99
  5. Step 5: Solve for x
    x = 124,304,630,105.99/550,021.94
  6. Step 6: Final answer
    x = 225,999.40

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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.