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Finding the Fourth Proportional to 297,075.65, 445,648.03 and 107,625.21

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Solution

The fourth proportional to 297,075.65, 445,648.03 and 107,625.21 is: 161,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,075.65 : 445,648.03 = 107,625.21 : x
  2. Step 2: Convert to fraction form
    297,075.65/445,648.03 = 107,625.21/x
  3. Step 3: Cross multiply
    297,075.65x = 445,648.03 × 107,625.21
  4. Step 4: Simplify right side
    297,075.65x = 47,962,960,874.59
  5. Step 5: Solve for x
    x = 47,962,960,874.59/297,075.65
  6. Step 6: Final answer
    x = 161,450.33

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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.