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Finding the Fourth Proportional to 52,674,906.30, 78,980,866.65 and 27,165,738.30

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Solution

The fourth proportional to 52,674,906.30, 78,980,866.65 and 27,165,738.30 is: 40,732,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,674,906.30 : 78,980,866.65 = 27,165,738.30 : x
  2. Step 2: Convert to fraction form
    52,674,906.30/78,980,866.65 = 27,165,738.30/x
  3. Step 3: Cross multiply
    52,674,906.30x = 78,980,866.65 × 27,165,738.30
  4. Step 4: Simplify right side
    52,674,906.30x = 2,145,573,554,121,098
  5. Step 5: Solve for x
    x = 2,145,573,554,121,098/52,674,906.30
  6. Step 6: Final answer
    x = 40,732,365.84

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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.