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Finding the Fourth Proportional to 115,694.98, 173,498.67 and 63,075.82

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Solution

The fourth proportional to 115,694.98, 173,498.67 and 63,075.82 is: 94,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,694.98 : 173,498.67 = 63,075.82 : x
  2. Step 2: Convert to fraction form
    115,694.98/173,498.67 = 63,075.82/x
  3. Step 3: Cross multiply
    115,694.98x = 173,498.67 × 63,075.82
  4. Step 4: Simplify right side
    115,694.98x = 10,943,570,879.16
  5. Step 5: Solve for x
    x = 10,943,570,879.16/115,694.98
  6. Step 6: Final answer
    x = 94,589.85

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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.