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Finding the Fourth Proportional to 150,453.68, 207,624.80 and 82,474.48

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Solution

The fourth proportional to 150,453.68, 207,624.80 and 82,474.48 is: 113,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,453.68 : 207,624.80 = 82,474.48 : x
  2. Step 2: Convert to fraction form
    150,453.68/207,624.80 = 82,474.48/x
  3. Step 3: Cross multiply
    150,453.68x = 207,624.80 × 82,474.48
  4. Step 4: Simplify right side
    150,453.68x = 17,123,747,415.10
  5. Step 5: Solve for x
    x = 17,123,747,415.10/150,453.68
  6. Step 6: Final answer
    x = 113,814.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.