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Finding the Fourth Proportional to 182,910.20, 274,235.70 and 83,118.20

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Solution

The fourth proportional to 182,910.20, 274,235.70 and 83,118.20 is: 124,618.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,910.20 : 274,235.70 = 83,118.20 : x
  2. Step 2: Convert to fraction form
    182,910.20/274,235.70 = 83,118.20/x
  3. Step 3: Cross multiply
    182,910.20x = 274,235.70 × 83,118.20
  4. Step 4: Simplify right side
    182,910.20x = 22,793,977,759.74
  5. Step 5: Solve for x
    x = 22,793,977,759.74/182,910.20
  6. Step 6: Final answer
    x = 124,618.41

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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.