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Finding the Fourth Proportional to 220,532.98, 330,908.82 and 87,410.30

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Solution

The fourth proportional to 220,532.98, 330,908.82 and 87,410.30 is: 131,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,532.98 : 330,908.82 = 87,410.30 : x
  2. Step 2: Convert to fraction form
    220,532.98/330,908.82 = 87,410.30/x
  3. Step 3: Cross multiply
    220,532.98x = 330,908.82 × 87,410.30
  4. Step 4: Simplify right side
    220,532.98x = 28,924,839,228.85
  5. Step 5: Solve for x
    x = 28,924,839,228.85/220,532.98
  6. Step 6: Final answer
    x = 131,158.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.