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Finding the Fourth Proportional to 75,260.56, 112,942.68 and 26,012.56

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Solution

The fourth proportional to 75,260.56, 112,942.68 and 26,012.56 is: 39,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.56 : 112,942.68 = 26,012.56 : x
  2. Step 2: Convert to fraction form
    75,260.56/112,942.68 = 26,012.56/x
  3. Step 3: Cross multiply
    75,260.56x = 112,942.68 × 26,012.56
  4. Step 4: Simplify right side
    75,260.56x = 2,937,928,240.06
  5. Step 5: Solve for x
    x = 2,937,928,240.06/75,260.56
  6. Step 6: Final answer
    x = 39,036.76

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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.