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Finding the Fourth Proportional to 83,570.58, 125,273.25 and 30,965.94

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Solution

The fourth proportional to 83,570.58, 125,273.25 and 30,965.94 is: 46,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,570.58 : 125,273.25 = 30,965.94 : x
  2. Step 2: Convert to fraction form
    83,570.58/125,273.25 = 30,965.94/x
  3. Step 3: Cross multiply
    83,570.58x = 125,273.25 × 30,965.94
  4. Step 4: Simplify right side
    83,570.58x = 3,879,203,943.11
  5. Step 5: Solve for x
    x = 3,879,203,943.11/83,570.58
  6. Step 6: Final answer
    x = 46,418.30

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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.