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Finding the Fourth Proportional to 270,644.68, 406,004.69 and 112,836.84

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Solution

The fourth proportional to 270,644.68, 406,004.69 and 112,836.84 is: 169,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,644.68 : 406,004.69 = 112,836.84 : x
  2. Step 2: Convert to fraction form
    270,644.68/406,004.69 = 112,836.84/x
  3. Step 3: Cross multiply
    270,644.68x = 406,004.69 × 112,836.84
  4. Step 4: Simplify right side
    270,644.68x = 45,812,286,244.78
  5. Step 5: Solve for x
    x = 45,812,286,244.78/270,644.68
  6. Step 6: Final answer
    x = 169,270.97

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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.