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Finding the Fourth Proportional to 140,880,400.10, 196,829,452.30 and 140,880,400.10

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Solution

The fourth proportional to 140,880,400.10, 196,829,452.30 and 140,880,400.10 is: 196,829,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,880,400.10 : 196,829,452.30 = 140,880,400.10 : x
  2. Step 2: Convert to fraction form
    140,880,400.10/196,829,452.30 = 140,880,400.10/x
  3. Step 3: Cross multiply
    140,880,400.10x = 196,829,452.30 × 140,880,400.10
  4. Step 4: Simplify right side
    140,880,400.10x = 27,729,411,991,487,864
  5. Step 5: Solve for x
    x = 27,729,411,991,487,864/140,880,400.10
  6. Step 6: Final answer
    x = 196,829,452.30

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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.