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Finding the Fourth Proportional to 150,159.04, 207,199 and 89,716.92

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Solution

The fourth proportional to 150,159.04, 207,199 and 89,716.92 is: 123,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,159.04 : 207,199 = 89,716.92 : x
  2. Step 2: Convert to fraction form
    150,159.04/207,199 = 89,716.92/x
  3. Step 3: Cross multiply
    150,159.04x = 207,199 × 89,716.92
  4. Step 4: Simplify right side
    150,159.04x = 18,589,256,107.08
  5. Step 5: Solve for x
    x = 18,589,256,107.08/150,159.04
  6. Step 6: Final answer
    x = 123,797.12

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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.