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Finding the Fourth Proportional to 99,794,706.40, 149,692,059.60 and 98,451,013.60

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Solution

The fourth proportional to 99,794,706.40, 149,692,059.60 and 98,451,013.60 is: 147,676,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,706.40 : 149,692,059.60 = 98,451,013.60 : x
  2. Step 2: Convert to fraction form
    99,794,706.40/149,692,059.60 = 98,451,013.60/x
  3. Step 3: Cross multiply
    99,794,706.40x = 149,692,059.60 × 98,451,013.60
  4. Step 4: Simplify right side
    99,794,706.40x = 14,737,334,995,491,610
  5. Step 5: Solve for x
    x = 14,737,334,995,491,610/99,794,706.40
  6. Step 6: Final answer
    x = 147,676,520.40

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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.