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Finding the Fourth Proportional to 69,202,828.96, 95,498,853.06 and 37,840,978.06

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Solution

The fourth proportional to 69,202,828.96, 95,498,853.06 and 37,840,978.06 is: 52,219,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,202,828.96 : 95,498,853.06 = 37,840,978.06 : x
  2. Step 2: Convert to fraction form
    69,202,828.96/95,498,853.06 = 37,840,978.06/x
  3. Step 3: Cross multiply
    69,202,828.96x = 95,498,853.06 × 37,840,978.06
  4. Step 4: Simplify right side
    69,202,828.96x = 3,613,770,003,398,624
  5. Step 5: Solve for x
    x = 3,613,770,003,398,624/69,202,828.96
  6. Step 6: Final answer
    x = 52,219,975.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.