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Finding the Fourth Proportional to 192,683.33, 288,449.15 and 116,551.47

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Solution

The fourth proportional to 192,683.33, 288,449.15 and 116,551.47 is: 174,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,683.33 : 288,449.15 = 116,551.47 : x
  2. Step 2: Convert to fraction form
    192,683.33/288,449.15 = 116,551.47/x
  3. Step 3: Cross multiply
    192,683.33x = 288,449.15 × 116,551.47
  4. Step 4: Simplify right side
    192,683.33x = 33,619,171,477.71
  5. Step 5: Solve for x
    x = 33,619,171,477.71/192,683.33
  6. Step 6: Final answer
    x = 174,478.88

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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.