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Finding the Fourth Proportional to 97,843,647.80, 146,765,471.70 and 25,060,287.80

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Solution

The fourth proportional to 97,843,647.80, 146,765,471.70 and 25,060,287.80 is: 37,590,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,843,647.80 : 146,765,471.70 = 25,060,287.80 : x
  2. Step 2: Convert to fraction form
    97,843,647.80/146,765,471.70 = 25,060,287.80/x
  3. Step 3: Cross multiply
    97,843,647.80x = 146,765,471.70 × 25,060,287.80
  4. Step 4: Simplify right side
    97,843,647.80x = 3,677,984,959,904,755
  5. Step 5: Solve for x
    x = 3,677,984,959,904,755/97,843,647.80
  6. Step 6: Final answer
    x = 37,590,431.70

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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.