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Finding the Fourth Proportional to 168,164,862.40, 252,247,293.60 and 168,164,862.40

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Solution

The fourth proportional to 168,164,862.40, 252,247,293.60 and 168,164,862.40 is: 252,247,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,164,862.40 : 252,247,293.60 = 168,164,862.40 : x
  2. Step 2: Convert to fraction form
    168,164,862.40/252,247,293.60 = 168,164,862.40/x
  3. Step 3: Cross multiply
    168,164,862.40x = 252,247,293.60 × 168,164,862.40
  4. Step 4: Simplify right side
    168,164,862.40x = 42,419,131,419,016,400
  5. Step 5: Solve for x
    x = 42,419,131,419,016,400/168,164,862.40
  6. Step 6: Final answer
    x = 252,247,293.60

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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.