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Finding the Fourth Proportional to 83,010.30, 124,515.45 and 23,847.90

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Solution

The fourth proportional to 83,010.30, 124,515.45 and 23,847.90 is: 35,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010.30 : 124,515.45 = 23,847.90 : x
  2. Step 2: Convert to fraction form
    83,010.30/124,515.45 = 23,847.90/x
  3. Step 3: Cross multiply
    83,010.30x = 124,515.45 × 23,847.90
  4. Step 4: Simplify right side
    83,010.30x = 2,969,432,000.06
  5. Step 5: Solve for x
    x = 2,969,432,000.06/83,010.30
  6. Step 6: Final answer
    x = 35,771.85

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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.