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Finding the Fourth Proportional to 323,551.62, 484,996.95 and 113,016.42

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Solution

The fourth proportional to 323,551.62, 484,996.95 and 113,016.42 is: 169,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,551.62 : 484,996.95 = 113,016.42 : x
  2. Step 2: Convert to fraction form
    323,551.62/484,996.95 = 113,016.42/x
  3. Step 3: Cross multiply
    323,551.62x = 484,996.95 × 113,016.42
  4. Step 4: Simplify right side
    323,551.62x = 54,812,618,999.92
  5. Step 5: Solve for x
    x = 54,812,618,999.92/323,551.62
  6. Step 6: Final answer
    x = 169,409.19

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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.