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Finding the Fourth Proportional to 61,251.12, 91,954.44 and 52,075.44

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Solution

The fourth proportional to 61,251.12, 91,954.44 and 52,075.44 is: 78,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.12 : 91,954.44 = 52,075.44 : x
  2. Step 2: Convert to fraction form
    61,251.12/91,954.44 = 52,075.44/x
  3. Step 3: Cross multiply
    61,251.12x = 91,954.44 × 52,075.44
  4. Step 4: Simplify right side
    61,251.12x = 4,788,567,922.95
  5. Step 5: Solve for x
    x = 4,788,567,922.95/61,251.12
  6. Step 6: Final answer
    x = 78,179.27

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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.