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Finding the Fourth Proportional to 77,418.97, 116,147.97 and 22,014.97

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Solution

The fourth proportional to 77,418.97, 116,147.97 and 22,014.97 is: 33,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,418.97 : 116,147.97 = 22,014.97 : x
  2. Step 2: Convert to fraction form
    77,418.97/116,147.97 = 22,014.97/x
  3. Step 3: Cross multiply
    77,418.97x = 116,147.97 × 22,014.97
  4. Step 4: Simplify right side
    77,418.97x = 2,556,994,075.11
  5. Step 5: Solve for x
    x = 2,556,994,075.11/77,418.97
  6. Step 6: Final answer
    x = 33,028.00

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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.