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Finding the Fourth Proportional to 196,690,072.80, 295,035,109.20 and 196,690,072.80

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Solution

The fourth proportional to 196,690,072.80, 295,035,109.20 and 196,690,072.80 is: 295,035,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,690,072.80 : 295,035,109.20 = 196,690,072.80 : x
  2. Step 2: Convert to fraction form
    196,690,072.80/295,035,109.20 = 196,690,072.80/x
  3. Step 3: Cross multiply
    196,690,072.80x = 295,035,109.20 × 196,690,072.80
  4. Step 4: Simplify right side
    196,690,072.80x = 58,030,477,107,103,952
  5. Step 5: Solve for x
    x = 58,030,477,107,103,952/196,690,072.80
  6. Step 6: Final answer
    x = 295,035,109.20

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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.