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Finding the Fourth Proportional to 243,892.89, 336,581.19 and 133,519.27

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Solution

The fourth proportional to 243,892.89, 336,581.19 and 133,519.27 is: 184,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,892.89 : 336,581.19 = 133,519.27 : x
  2. Step 2: Convert to fraction form
    243,892.89/336,581.19 = 133,519.27/x
  3. Step 3: Cross multiply
    243,892.89x = 336,581.19 × 133,519.27
  4. Step 4: Simplify right side
    243,892.89x = 44,940,073,101.63
  5. Step 5: Solve for x
    x = 44,940,073,101.63/243,892.89
  6. Step 6: Final answer
    x = 184,261.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.