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Finding the Fourth Proportional to 83,051.79, 124,597.54 and 26,891.96

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Solution

The fourth proportional to 83,051.79, 124,597.54 and 26,891.96 is: 40,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,051.79 : 124,597.54 = 26,891.96 : x
  2. Step 2: Convert to fraction form
    83,051.79/124,597.54 = 26,891.96/x
  3. Step 3: Cross multiply
    83,051.79x = 124,597.54 × 26,891.96
  4. Step 4: Simplify right side
    83,051.79x = 3,350,672,022.00
  5. Step 5: Solve for x
    x = 3,350,672,022.00/83,051.79
  6. Step 6: Final answer
    x = 40,344.37

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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.