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Finding the Fourth Proportional to 100,073.46, 150,110.34 and 25,193.61

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Solution

The fourth proportional to 100,073.46, 150,110.34 and 25,193.61 is: 37,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,073.46 : 150,110.34 = 25,193.61 : x
  2. Step 2: Convert to fraction form
    100,073.46/150,110.34 = 25,193.61/x
  3. Step 3: Cross multiply
    100,073.46x = 150,110.34 × 25,193.61
  4. Step 4: Simplify right side
    100,073.46x = 3,781,821,362.93
  5. Step 5: Solve for x
    x = 3,781,821,362.93/100,073.46
  6. Step 6: Final answer
    x = 37,790.45

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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.