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Finding the Fourth Proportional to 192,458,409.80, 288,687,614.70 and 192,458,409.80

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Solution

The fourth proportional to 192,458,409.80, 288,687,614.70 and 192,458,409.80 is: 288,687,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,458,409.80 : 288,687,614.70 = 192,458,409.80 : x
  2. Step 2: Convert to fraction form
    192,458,409.80/288,687,614.70 = 192,458,409.80/x
  3. Step 3: Cross multiply
    192,458,409.80x = 288,687,614.70 × 192,458,409.80
  4. Step 4: Simplify right side
    192,458,409.80x = 55,560,359,254,117,104
  5. Step 5: Solve for x
    x = 55,560,359,254,117,104/192,458,409.80
  6. Step 6: Final answer
    x = 288,687,614.70

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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.