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Finding the Fourth Proportional to 186,842.03, 280,361.46 and 108,011.62

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Solution

The fourth proportional to 186,842.03, 280,361.46 and 108,011.62 is: 162,074.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842.03 : 280,361.46 = 108,011.62 : x
  2. Step 2: Convert to fraction form
    186,842.03/280,361.46 = 108,011.62/x
  3. Step 3: Cross multiply
    186,842.03x = 280,361.46 × 108,011.62
  4. Step 4: Simplify right side
    186,842.03x = 30,282,294,078.36
  5. Step 5: Solve for x
    x = 30,282,294,078.36/186,842.03
  6. Step 6: Final answer
    x = 162,074.32

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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.