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Finding the Fourth Proportional to 100,580.75, 150,871.14 and 26,708.75

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Solution

The fourth proportional to 100,580.75, 150,871.14 and 26,708.75 is: 40,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,580.75 : 150,871.14 = 26,708.75 : x
  2. Step 2: Convert to fraction form
    100,580.75/150,871.14 = 26,708.75/x
  3. Step 3: Cross multiply
    100,580.75x = 150,871.14 × 26,708.75
  4. Step 4: Simplify right side
    100,580.75x = 4,029,579,560.48
  5. Step 5: Solve for x
    x = 4,029,579,560.48/100,580.75
  6. Step 6: Final answer
    x = 40,063.13

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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.