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Finding the Fourth Proportional to 192,346.36, 288,558.42 and 65,982.04

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Solution

The fourth proportional to 192,346.36, 288,558.42 and 65,982.04 is: 98,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,346.36 : 288,558.42 = 65,982.04 : x
  2. Step 2: Convert to fraction form
    192,346.36/288,558.42 = 65,982.04/x
  3. Step 3: Cross multiply
    192,346.36x = 288,558.42 × 65,982.04
  4. Step 4: Simplify right side
    192,346.36x = 19,039,673,210.78
  5. Step 5: Solve for x
    x = 19,039,673,210.78/192,346.36
  6. Step 6: Final answer
    x = 98,986.40

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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.