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Finding the Fourth Proportional to 100,266.34, 150,465.13 and 37,936.84

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Solution

The fourth proportional to 100,266.34, 150,465.13 and 37,936.84 is: 56,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,266.34 : 150,465.13 = 37,936.84 : x
  2. Step 2: Convert to fraction form
    100,266.34/150,465.13 = 37,936.84/x
  3. Step 3: Cross multiply
    100,266.34x = 150,465.13 × 37,936.84
  4. Step 4: Simplify right side
    100,266.34x = 5,708,171,562.39
  5. Step 5: Solve for x
    x = 5,708,171,562.39/100,266.34
  6. Step 6: Final answer
    x = 56,930.09

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1.5x scale

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.