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Finding the Fourth Proportional to 267,679.91, 401,501.07 and 125,556.35

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Solution

The fourth proportional to 267,679.91, 401,501.07 and 125,556.35 is: 188,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,679.91 : 401,501.07 = 125,556.35 : x
  2. Step 2: Convert to fraction form
    267,679.91/401,501.07 = 125,556.35/x
  3. Step 3: Cross multiply
    267,679.91x = 401,501.07 × 125,556.35
  4. Step 4: Simplify right side
    267,679.91x = 50,411,008,242.51
  5. Step 5: Solve for x
    x = 50,411,008,242.51/267,679.91
  6. Step 6: Final answer
    x = 188,325.71

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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.