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Finding the Fourth Proportional to 101,561.20, 140,153.48 and 58,524.88

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Solution

The fourth proportional to 101,561.20, 140,153.48 and 58,524.88 is: 80,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,561.20 : 140,153.48 = 58,524.88 : x
  2. Step 2: Convert to fraction form
    101,561.20/140,153.48 = 58,524.88/x
  3. Step 3: Cross multiply
    101,561.20x = 140,153.48 × 58,524.88
  4. Step 4: Simplify right side
    101,561.20x = 8,202,465,598.58
  5. Step 5: Solve for x
    x = 8,202,465,598.58/101,561.20
  6. Step 6: Final answer
    x = 80,763.77

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