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Finding the Fourth Proportional to 196,992,878.70, 295,489,318.05 and 196,992,878.70

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Solution

The fourth proportional to 196,992,878.70, 295,489,318.05 and 196,992,878.70 is: 295,489,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,992,878.70 : 295,489,318.05 = 196,992,878.70 : x
  2. Step 2: Convert to fraction form
    196,992,878.70/295,489,318.05 = 196,992,878.70/x
  3. Step 3: Cross multiply
    196,992,878.70x = 295,489,318.05 × 196,992,878.70
  4. Step 4: Simplify right side
    196,992,878.70x = 58,209,291,387,769,368
  5. Step 5: Solve for x
    x = 58,209,291,387,769,368/196,992,878.70
  6. Step 6: Final answer
    x = 295,489,318.05

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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.