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Finding the Fourth Proportional to 192,059.65, 287,946.81 and 92,124.68

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Solution

The fourth proportional to 192,059.65, 287,946.81 and 92,124.68 is: 138,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,059.65 : 287,946.81 = 92,124.68 : x
  2. Step 2: Convert to fraction form
    192,059.65/287,946.81 = 92,124.68/x
  3. Step 3: Cross multiply
    192,059.65x = 287,946.81 × 92,124.68
  4. Step 4: Simplify right side
    192,059.65x = 26,527,008,448.14
  5. Step 5: Solve for x
    x = 26,527,008,448.14/192,059.65
  6. Step 6: Final answer
    x = 138,118.59

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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.