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Finding the Fourth Proportional to 177,991.97, 267,172.47 and 119,238.21

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Solution

The fourth proportional to 177,991.97, 267,172.47 and 119,238.21 is: 178,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,991.97 : 267,172.47 = 119,238.21 : x
  2. Step 2: Convert to fraction form
    177,991.97/267,172.47 = 119,238.21/x
  3. Step 3: Cross multiply
    177,991.97x = 267,172.47 × 119,238.21
  4. Step 4: Simplify right side
    177,991.97x = 31,857,167,084.08
  5. Step 5: Solve for x
    x = 31,857,167,084.08/177,991.97
  6. Step 6: Final answer
    x = 178,980.93

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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.