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Finding the Fourth Proportional to 236,051,726, 325,751,382 and 138,266,582

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Solution

The fourth proportional to 236,051,726, 325,751,382 and 138,266,582 is: 190,807,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,051,726 : 325,751,382 = 138,266,582 : x
  2. Step 2: Convert to fraction form
    236,051,726/325,751,382 = 138,266,582/x
  3. Step 3: Cross multiply
    236,051,726x = 325,751,382 × 138,266,582
  4. Step 4: Simplify right side
    236,051,726x = 45,040,530,170,916,320
  5. Step 5: Solve for x
    x = 45,040,530,170,916,320/236,051,726
  6. Step 6: Final answer
    x = 190,807,883.23

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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.