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Finding the Fourth Proportional to 550,020.94, 825,032.06 and 150,665.15

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Solution

The fourth proportional to 550,020.94, 825,032.06 and 150,665.15 is: 225,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,020.94 : 825,032.06 = 150,665.15 : x
  2. Step 2: Convert to fraction form
    550,020.94/825,032.06 = 150,665.15/x
  3. Step 3: Cross multiply
    550,020.94x = 825,032.06 × 150,665.15
  4. Step 4: Simplify right side
    550,020.94x = 124,303,579,074.71
  5. Step 5: Solve for x
    x = 124,303,579,074.71/550,020.94
  6. Step 6: Final answer
    x = 225,997.91

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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.