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Finding the Fourth Proportional to 177,998.49, 267,019.74 and 65,679.30

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Solution

The fourth proportional to 177,998.49, 267,019.74 and 65,679.30 is: 98,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,998.49 : 267,019.74 = 65,679.30 : x
  2. Step 2: Convert to fraction form
    177,998.49/267,019.74 = 65,679.30/x
  3. Step 3: Cross multiply
    177,998.49x = 267,019.74 × 65,679.30
  4. Step 4: Simplify right side
    177,998.49x = 17,537,669,609.38
  5. Step 5: Solve for x
    x = 17,537,669,609.38/177,998.49
  6. Step 6: Final answer
    x = 98,527.07

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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.