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Finding the Fourth Proportional to 119,995.50, 180,022.41 and 36,889.50

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Solution

The fourth proportional to 119,995.50, 180,022.41 and 36,889.50 is: 55,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,995.50 : 180,022.41 = 36,889.50 : x
  2. Step 2: Convert to fraction form
    119,995.50/180,022.41 = 36,889.50/x
  3. Step 3: Cross multiply
    119,995.50x = 180,022.41 × 36,889.50
  4. Step 4: Simplify right side
    119,995.50x = 6,640,936,693.70
  5. Step 5: Solve for x
    x = 6,640,936,693.70/119,995.50
  6. Step 6: Final answer
    x = 55,343.21

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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.