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Finding the Fourth Proportional to 182,990.52, 274,493.99 and 80,401.10

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Solution

The fourth proportional to 182,990.52, 274,493.99 and 80,401.10 is: 120,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,990.52 : 274,493.99 = 80,401.10 : x
  2. Step 2: Convert to fraction form
    182,990.52/274,493.99 = 80,401.10/x
  3. Step 3: Cross multiply
    182,990.52x = 274,493.99 × 80,401.10
  4. Step 4: Simplify right side
    182,990.52x = 22,069,616,964.91
  5. Step 5: Solve for x
    x = 22,069,616,964.91/182,990.52
  6. Step 6: Final answer
    x = 120,605.25

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1.5x scale

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.