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Finding the Fourth Proportional to 334,075.75, 501,142.83 and 84,757.75

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Solution

The fourth proportional to 334,075.75, 501,142.83 and 84,757.75 is: 127,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,075.75 : 501,142.83 = 84,757.75 : x
  2. Step 2: Convert to fraction form
    334,075.75/501,142.83 = 84,757.75/x
  3. Step 3: Cross multiply
    334,075.75x = 501,142.83 × 84,757.75
  4. Step 4: Simplify right side
    334,075.75x = 42,475,738,699.43
  5. Step 5: Solve for x
    x = 42,475,738,699.43/334,075.75
  6. Step 6: Final answer
    x = 127,144.03

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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.