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Finding the Fourth Proportional to 193,673,123.20, 290,509,684.80 and 193,673,123.20

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Solution

The fourth proportional to 193,673,123.20, 290,509,684.80 and 193,673,123.20 is: 290,509,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,673,123.20 : 290,509,684.80 = 193,673,123.20 : x
  2. Step 2: Convert to fraction form
    193,673,123.20/290,509,684.80 = 193,673,123.20/x
  3. Step 3: Cross multiply
    193,673,123.20x = 290,509,684.80 × 193,673,123.20
  4. Step 4: Simplify right side
    193,673,123.20x = 56,263,917,975,063,568
  5. Step 5: Solve for x
    x = 56,263,917,975,063,568/193,673,123.20
  6. Step 6: Final answer
    x = 290,509,684.80

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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.