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Finding the Fourth Proportional to 243,481.30, 335,998.32 and 133,095.04

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Solution

The fourth proportional to 243,481.30, 335,998.32 and 133,095.04 is: 183,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,481.30 : 335,998.32 = 133,095.04 : x
  2. Step 2: Convert to fraction form
    243,481.30/335,998.32 = 133,095.04/x
  3. Step 3: Cross multiply
    243,481.30x = 335,998.32 × 133,095.04
  4. Step 4: Simplify right side
    243,481.30x = 44,719,708,964.56
  5. Step 5: Solve for x
    x = 44,719,708,964.56/243,481.30
  6. Step 6: Final answer
    x = 183,667.94

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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.