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Finding the Fourth Proportional to 267,130.46, 400,761.12 and 122,968.82

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Solution

The fourth proportional to 267,130.46, 400,761.12 and 122,968.82 is: 184,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,130.46 : 400,761.12 = 122,968.82 : x
  2. Step 2: Convert to fraction form
    267,130.46/400,761.12 = 122,968.82/x
  3. Step 3: Cross multiply
    267,130.46x = 400,761.12 × 122,968.82
  4. Step 4: Simplify right side
    267,130.46x = 49,281,122,028.28
  5. Step 5: Solve for x
    x = 49,281,122,028.28/267,130.46
  6. Step 6: Final answer
    x = 184,483.35

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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.