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Finding the Fourth Proportional to 123,083.40, 184,625.10 and 67,096.20

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Solution

The fourth proportional to 123,083.40, 184,625.10 and 67,096.20 is: 100,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,083.40 : 184,625.10 = 67,096.20 : x
  2. Step 2: Convert to fraction form
    123,083.40/184,625.10 = 67,096.20/x
  3. Step 3: Cross multiply
    123,083.40x = 184,625.10 × 67,096.20
  4. Step 4: Simplify right side
    123,083.40x = 12,387,642,634.62
  5. Step 5: Solve for x
    x = 12,387,642,634.62/123,083.40
  6. Step 6: Final answer
    x = 100,644.30

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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.