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Finding the Fourth Proportional to 262,075.62, 393,295.18 and 119,938.24

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Solution

The fourth proportional to 262,075.62, 393,295.18 and 119,938.24 is: 179,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,075.62 : 393,295.18 = 119,938.24 : x
  2. Step 2: Convert to fraction form
    262,075.62/393,295.18 = 119,938.24/x
  3. Step 3: Cross multiply
    262,075.62x = 393,295.18 × 119,938.24
  4. Step 4: Simplify right side
    262,075.62x = 47,171,131,689.68
  5. Step 5: Solve for x
    x = 47,171,131,689.68/262,075.62
  6. Step 6: Final answer
    x = 179,990.54

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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.