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Finding the Fourth Proportional to 159,858,110.40, 239,787,165.60 and 159,858,110.40

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Solution

The fourth proportional to 159,858,110.40, 239,787,165.60 and 159,858,110.40 is: 239,787,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,858,110.40 : 239,787,165.60 = 159,858,110.40 : x
  2. Step 2: Convert to fraction form
    159,858,110.40/239,787,165.60 = 159,858,110.40/x
  3. Step 3: Cross multiply
    159,858,110.40x = 239,787,165.60 × 159,858,110.40
  4. Step 4: Simplify right side
    159,858,110.40x = 38,331,923,190,987,880
  5. Step 5: Solve for x
    x = 38,331,923,190,987,880/159,858,110.40
  6. Step 6: Final answer
    x = 239,787,165.60

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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.