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Finding the Fourth Proportional to 267,508.09, 401,145.48 and 101,179.45

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Solution

The fourth proportional to 267,508.09, 401,145.48 and 101,179.45 is: 151,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,508.09 : 401,145.48 = 101,179.45 : x
  2. Step 2: Convert to fraction form
    267,508.09/401,145.48 = 101,179.45/x
  3. Step 3: Cross multiply
    267,508.09x = 401,145.48 × 101,179.45
  4. Step 4: Simplify right side
    267,508.09x = 40,587,678,914.38
  5. Step 5: Solve for x
    x = 40,587,678,914.38/267,508.09
  6. Step 6: Final answer
    x = 151,725.05

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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.