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Finding the Fourth Proportional to 269,693.84, 404,435.58 and 101,122.31

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Solution

The fourth proportional to 269,693.84, 404,435.58 and 101,122.31 is: 151,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,693.84 : 404,435.58 = 101,122.31 : x
  2. Step 2: Convert to fraction form
    269,693.84/404,435.58 = 101,122.31/x
  3. Step 3: Cross multiply
    269,693.84x = 404,435.58 × 101,122.31
  4. Step 4: Simplify right side
    269,693.84x = 40,897,459,969.45
  5. Step 5: Solve for x
    x = 40,897,459,969.45/269,693.84
  6. Step 6: Final answer
    x = 151,644.03

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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.