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Finding the Fourth Proportional to 269,693.56, 404,435.16 and 101,122.03

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Solution

The fourth proportional to 269,693.56, 404,435.16 and 101,122.03 is: 151,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,693.56 : 404,435.16 = 101,122.03 : x
  2. Step 2: Convert to fraction form
    269,693.56/404,435.16 = 101,122.03/x
  3. Step 3: Cross multiply
    269,693.56x = 404,435.16 × 101,122.03
  4. Step 4: Simplify right side
    269,693.56x = 40,897,303,087.13
  5. Step 5: Solve for x
    x = 40,897,303,087.13/269,693.56
  6. Step 6: Final answer
    x = 151,643.60

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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.