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Finding the Fourth Proportional to 144,809.96, 199,651.46 and 93,732.20

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Solution

The fourth proportional to 144,809.96, 199,651.46 and 93,732.20 is: 129,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,809.96 : 199,651.46 = 93,732.20 : x
  2. Step 2: Convert to fraction form
    144,809.96/199,651.46 = 93,732.20/x
  3. Step 3: Cross multiply
    144,809.96x = 199,651.46 × 93,732.20
  4. Step 4: Simplify right side
    144,809.96x = 18,713,770,579.01
  5. Step 5: Solve for x
    x = 18,713,770,579.01/144,809.96
  6. Step 6: Final answer
    x = 129,229.86

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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.