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Finding the Fourth Proportional to 269,938,866.76, 372,515,995.38 and 146,179,757.32

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Solution

The fourth proportional to 269,938,866.76, 372,515,995.38 and 146,179,757.32 is: 201,728,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,938,866.76 : 372,515,995.38 = 146,179,757.32 : x
  2. Step 2: Convert to fraction form
    269,938,866.76/372,515,995.38 = 146,179,757.32/x
  3. Step 3: Cross multiply
    269,938,866.76x = 372,515,995.38 × 146,179,757.32
  4. Step 4: Simplify right side
    269,938,866.76x = 54,454,297,802,466,640
  5. Step 5: Solve for x
    x = 54,454,297,802,466,640/269,938,866.76
  6. Step 6: Final answer
    x = 201,728,259.65

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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.