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Finding the Fourth Proportional to 178,114,578.40, 267,171,867.60 and 178,114,578.40

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Solution

The fourth proportional to 178,114,578.40, 267,171,867.60 and 178,114,578.40 is: 267,171,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,114,578.40 : 267,171,867.60 = 178,114,578.40 : x
  2. Step 2: Convert to fraction form
    178,114,578.40/267,171,867.60 = 178,114,578.40/x
  3. Step 3: Cross multiply
    178,114,578.40x = 267,171,867.60 × 178,114,578.40
  4. Step 4: Simplify right side
    178,114,578.40x = 47,587,204,557,914,624
  5. Step 5: Solve for x
    x = 47,587,204,557,914,624/178,114,578.40
  6. Step 6: Final answer
    x = 267,171,867.60

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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.