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Finding the Fourth Proportional to 192,709.57, 288,964.76 and 84,594.69

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Solution

The fourth proportional to 192,709.57, 288,964.76 and 84,594.69 is: 126,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,709.57 : 288,964.76 = 84,594.69 : x
  2. Step 2: Convert to fraction form
    192,709.57/288,964.76 = 84,594.69/x
  3. Step 3: Cross multiply
    192,709.57x = 288,964.76 × 84,594.69
  4. Step 4: Simplify right side
    192,709.57x = 24,444,884,233.71
  5. Step 5: Solve for x
    x = 24,444,884,233.71/192,709.57
  6. Step 6: Final answer
    x = 126,848.31

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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.