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Finding the Fourth Proportional to 192,113.06, 288,183.42 and 73,784.39

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Solution

The fourth proportional to 192,113.06, 288,183.42 and 73,784.39 is: 110,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,113.06 : 288,183.42 = 73,784.39 : x
  2. Step 2: Convert to fraction form
    192,113.06/288,183.42 = 73,784.39/x
  3. Step 3: Cross multiply
    192,113.06x = 288,183.42 × 73,784.39
  4. Step 4: Simplify right side
    192,113.06x = 21,263,437,852.81
  5. Step 5: Solve for x
    x = 21,263,437,852.81/192,113.06
  6. Step 6: Final answer
    x = 110,681.90

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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.