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Finding the Fourth Proportional to 100,437.98, 150,551.82 and 33,855.08

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Solution

The fourth proportional to 100,437.98, 150,551.82 and 33,855.08 is: 50,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,437.98 : 150,551.82 = 33,855.08 : x
  2. Step 2: Convert to fraction form
    100,437.98/150,551.82 = 33,855.08/x
  3. Step 3: Cross multiply
    100,437.98x = 150,551.82 × 33,855.08
  4. Step 4: Simplify right side
    100,437.98x = 5,096,943,157.49
  5. Step 5: Solve for x
    x = 5,096,943,157.49/100,437.98
  6. Step 6: Final answer
    x = 50,747.17

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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.