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Finding the Fourth Proportional to 65,283.98, 90,119.45 and 44,091.95

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Solution

The fourth proportional to 65,283.98, 90,119.45 and 44,091.95 is: 60,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283.98 : 90,119.45 = 44,091.95 : x
  2. Step 2: Convert to fraction form
    65,283.98/90,119.45 = 44,091.95/x
  3. Step 3: Cross multiply
    65,283.98x = 90,119.45 × 44,091.95
  4. Step 4: Simplify right side
    65,283.98x = 3,973,542,115.66
  5. Step 5: Solve for x
    x = 3,973,542,115.66/65,283.98
  6. Step 6: Final answer
    x = 60,865.50

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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.