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Finding the Fourth Proportional to 140,880,336.60, 196,829,363.40 and 140,880,336.60

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Solution

The fourth proportional to 140,880,336.60, 196,829,363.40 and 140,880,336.60 is: 196,829,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,336.60 : 196,829,363.40 = 140,880,336.60 : x
  2. Step 2: Convert to fraction form
    140,880,336.60/196,829,363.40 = 140,880,336.60/x
  3. Step 3: Cross multiply
    140,880,336.60x = 196,829,363.40 × 140,880,336.60
  4. Step 4: Simplify right side
    140,880,336.60x = 27,729,386,968,555,720
  5. Step 5: Solve for x
    x = 27,729,386,968,555,720/140,880,336.60
  6. Step 6: Final answer
    x = 196,829,363.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.