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Finding the Fourth Proportional to 150,409.44, 207,562.50 and 89,945.71

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Solution

The fourth proportional to 150,409.44, 207,562.50 and 89,945.71 is: 124,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,409.44 : 207,562.50 = 89,945.71 : x
  2. Step 2: Convert to fraction form
    150,409.44/207,562.50 = 89,945.71/x
  3. Step 3: Cross multiply
    150,409.44x = 207,562.50 × 89,945.71
  4. Step 4: Simplify right side
    150,409.44x = 18,669,355,912.97
  5. Step 5: Solve for x
    x = 18,669,355,912.97/150,409.44
  6. Step 6: Final answer
    x = 124,123.57

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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.