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Finding the Fourth Proportional to 60,597.63, 90,761.09 and 43,919.34

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Solution

The fourth proportional to 60,597.63, 90,761.09 and 43,919.34 is: 65,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,597.63 : 90,761.09 = 43,919.34 : x
  2. Step 2: Convert to fraction form
    60,597.63/90,761.09 = 43,919.34/x
  3. Step 3: Cross multiply
    60,597.63x = 90,761.09 × 43,919.34
  4. Step 4: Simplify right side
    60,597.63x = 3,986,166,950.88
  5. Step 5: Solve for x
    x = 3,986,166,950.88/60,597.63
  6. Step 6: Final answer
    x = 65,780.91

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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.