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Finding the Fourth Proportional to 150,622.68, 207,858.24 and 82,637.76

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Solution

The fourth proportional to 150,622.68, 207,858.24 and 82,637.76 is: 114,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,622.68 : 207,858.24 = 82,637.76 : x
  2. Step 2: Convert to fraction form
    150,622.68/207,858.24 = 82,637.76/x
  3. Step 3: Cross multiply
    150,622.68x = 207,858.24 × 82,637.76
  4. Step 4: Simplify right side
    150,622.68x = 17,176,939,351.14
  5. Step 5: Solve for x
    x = 17,176,939,351.14/150,622.68
  6. Step 6: Final answer
    x = 114,039.53

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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.