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Finding the Fourth Proportional to 90,352.89, 124,692 and 50,065.82

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Solution

The fourth proportional to 90,352.89, 124,692 and 50,065.82 is: 69,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352.89 : 124,692 = 50,065.82 : x
  2. Step 2: Convert to fraction form
    90,352.89/124,692 = 50,065.82/x
  3. Step 3: Cross multiply
    90,352.89x = 124,692 × 50,065.82
  4. Step 4: Simplify right side
    90,352.89x = 6,242,807,227.44
  5. Step 5: Solve for x
    x = 6,242,807,227.44/90,352.89
  6. Step 6: Final answer
    x = 69,093.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.