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Finding the Fourth Proportional to 196,708,500.15, 275,795,008.05 and 196,708,500.15

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Solution

The fourth proportional to 196,708,500.15, 275,795,008.05 and 196,708,500.15 is: 275,795,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,708,500.15 : 275,795,008.05 = 196,708,500.15 : x
  2. Step 2: Convert to fraction form
    196,708,500.15/275,795,008.05 = 196,708,500.15/x
  3. Step 3: Cross multiply
    196,708,500.15x = 275,795,008.05 × 196,708,500.15
  4. Step 4: Simplify right side
    196,708,500.15x = 54,251,222,382,372,680
  5. Step 5: Solve for x
    x = 54,251,222,382,372,680/196,708,500.15
  6. Step 6: Final answer
    x = 275,795,008.05

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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.