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Finding the Fourth Proportional to 150,371.96, 207,419.46 and 96,726.92

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Solution

The fourth proportional to 150,371.96, 207,419.46 and 96,726.92 is: 133,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,371.96 : 207,419.46 = 96,726.92 : x
  2. Step 2: Convert to fraction form
    150,371.96/207,419.46 = 96,726.92/x
  3. Step 3: Cross multiply
    150,371.96x = 207,419.46 × 96,726.92
  4. Step 4: Simplify right side
    150,371.96x = 20,063,045,513.86
  5. Step 5: Solve for x
    x = 20,063,045,513.86/150,371.96
  6. Step 6: Final answer
    x = 133,422.78

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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.