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Finding the Fourth Proportional to 70,969.43, 106,449.96 and 26,592.46

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Solution

The fourth proportional to 70,969.43, 106,449.96 and 26,592.46 is: 39,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,969.43 : 106,449.96 = 26,592.46 : x
  2. Step 2: Convert to fraction form
    70,969.43/106,449.96 = 26,592.46/x
  3. Step 3: Cross multiply
    70,969.43x = 106,449.96 × 26,592.46
  4. Step 4: Simplify right side
    70,969.43x = 2,830,766,735.68
  5. Step 5: Solve for x
    x = 2,830,766,735.68/70,969.43
  6. Step 6: Final answer
    x = 39,887.13

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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.