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Finding the Fourth Proportional to 253,075.44, 379,489.23 and 84,537.93

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Solution

The fourth proportional to 253,075.44, 379,489.23 and 84,537.93 is: 126,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,075.44 : 379,489.23 = 84,537.93 : x
  2. Step 2: Convert to fraction form
    253,075.44/379,489.23 = 84,537.93/x
  3. Step 3: Cross multiply
    253,075.44x = 379,489.23 × 84,537.93
  4. Step 4: Simplify right side
    253,075.44x = 32,081,233,961.49
  5. Step 5: Solve for x
    x = 32,081,233,961.49/253,075.44
  6. Step 6: Final answer
    x = 126,765.50

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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.