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Finding the Fourth Proportional to 131,994,982.80, 197,969,641.80 and 34,952,084.64

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Solution

The fourth proportional to 131,994,982.80, 197,969,641.80 and 34,952,084.64 is: 52,422,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,994,982.80 : 197,969,641.80 = 34,952,084.64 : x
  2. Step 2: Convert to fraction form
    131,994,982.80/197,969,641.80 = 34,952,084.64/x
  3. Step 3: Cross multiply
    131,994,982.80x = 197,969,641.80 × 34,952,084.64
  4. Step 4: Simplify right side
    131,994,982.80x = 6,919,451,676,344,082
  5. Step 5: Solve for x
    x = 6,919,451,676,344,082/131,994,982.80
  6. Step 6: Final answer
    x = 52,422,080.97

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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.