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Finding the Fourth Proportional to 82,670.30, 123,968.54 and 23,492.20

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Solution

The fourth proportional to 82,670.30, 123,968.54 and 23,492.20 is: 35,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,670.30 : 123,968.54 = 23,492.20 : x
  2. Step 2: Convert to fraction form
    82,670.30/123,968.54 = 23,492.20/x
  3. Step 3: Cross multiply
    82,670.30x = 123,968.54 × 23,492.20
  4. Step 4: Simplify right side
    82,670.30x = 2,912,293,735.39
  5. Step 5: Solve for x
    x = 2,912,293,735.39/82,670.30
  6. Step 6: Final answer
    x = 35,227.81

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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.