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Finding the Fourth Proportional to 267,907.70, 401,302.65 and 125,874.20

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Solution

The fourth proportional to 267,907.70, 401,302.65 and 125,874.20 is: 188,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,907.70 : 401,302.65 = 125,874.20 : x
  2. Step 2: Convert to fraction form
    267,907.70/401,302.65 = 125,874.20/x
  3. Step 3: Cross multiply
    267,907.70x = 401,302.65 × 125,874.20
  4. Step 4: Simplify right side
    267,907.70x = 50,513,650,026.63
  5. Step 5: Solve for x
    x = 50,513,650,026.63/267,907.70
  6. Step 6: Final answer
    x = 188,548.71

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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.