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Finding the Fourth Proportional to 150,392.59, 207,539.02 and 89,179.96

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Solution

The fourth proportional to 150,392.59, 207,539.02 and 89,179.96 is: 123,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,392.59 : 207,539.02 = 89,179.96 : x
  2. Step 2: Convert to fraction form
    150,392.59/207,539.02 = 89,179.96/x
  3. Step 3: Cross multiply
    150,392.59x = 207,539.02 × 89,179.96
  4. Step 4: Simplify right side
    150,392.59x = 18,508,321,502.04
  5. Step 5: Solve for x
    x = 18,508,321,502.04/150,392.59
  6. Step 6: Final answer
    x = 123,066.71

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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.