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Finding the Fourth Proportional to 100,155.89, 150,253.89 and 36,976.40

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Solution

The fourth proportional to 100,155.89, 150,253.89 and 36,976.40 is: 55,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,155.89 : 150,253.89 = 36,976.40 : x
  2. Step 2: Convert to fraction form
    100,155.89/150,253.89 = 36,976.40/x
  3. Step 3: Cross multiply
    100,155.89x = 150,253.89 × 36,976.40
  4. Step 4: Simplify right side
    100,155.89x = 5,555,847,611.72
  5. Step 5: Solve for x
    x = 5,555,847,611.72/100,155.89
  6. Step 6: Final answer
    x = 55,472.00

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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.