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Finding the Fourth Proportional to 192,124.57, 288,200.67 and 73,795.91

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Solution

The fourth proportional to 192,124.57, 288,200.67 and 73,795.91 is: 110,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,124.57 : 288,200.67 = 73,795.91 : x
  2. Step 2: Convert to fraction form
    192,124.57/288,200.67 = 73,795.91/x
  3. Step 3: Cross multiply
    192,124.57x = 288,200.67 × 73,795.91
  4. Step 4: Simplify right side
    192,124.57x = 21,268,030,705.26
  5. Step 5: Solve for x
    x = 21,268,030,705.26/192,124.57
  6. Step 6: Final answer
    x = 110,699.17

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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.