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Finding the Fourth Proportional to 273,537.20, 410,075.40 and 142,209.20

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Solution

The fourth proportional to 273,537.20, 410,075.40 and 142,209.20 is: 213,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,537.20 : 410,075.40 = 142,209.20 : x
  2. Step 2: Convert to fraction form
    273,537.20/410,075.40 = 142,209.20/x
  3. Step 3: Cross multiply
    273,537.20x = 410,075.40 × 142,209.20
  4. Step 4: Simplify right side
    273,537.20x = 58,316,494,573.68
  5. Step 5: Solve for x
    x = 58,316,494,573.68/273,537.20
  6. Step 6: Final answer
    x = 213,194.02

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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.