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Finding the Fourth Proportional to 89,618,512.60, 134,427,768.90 and 89,618,512.60

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Solution

The fourth proportional to 89,618,512.60, 134,427,768.90 and 89,618,512.60 is: 134,427,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,618,512.60 : 134,427,768.90 = 89,618,512.60 : x
  2. Step 2: Convert to fraction form
    89,618,512.60/134,427,768.90 = 89,618,512.60/x
  3. Step 3: Cross multiply
    89,618,512.60x = 134,427,768.90 × 89,618,512.60
  4. Step 4: Simplify right side
    89,618,512.60x = 12,047,216,700,954,538
  5. Step 5: Solve for x
    x = 12,047,216,700,954,538/89,618,512.60
  6. Step 6: Final answer
    x = 134,427,768.90

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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.