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Finding the Fourth Proportional to 269,810.28, 404,759.22 and 101,343.72

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Solution

The fourth proportional to 269,810.28, 404,759.22 and 101,343.72 is: 152,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,810.28 : 404,759.22 = 101,343.72 : x
  2. Step 2: Convert to fraction form
    269,810.28/404,759.22 = 101,343.72/x
  3. Step 3: Cross multiply
    269,810.28x = 404,759.22 × 101,343.72
  4. Step 4: Simplify right side
    269,810.28x = 41,019,805,059.10
  5. Step 5: Solve for x
    x = 41,019,805,059.10/269,810.28
  6. Step 6: Final answer
    x = 152,032.03

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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.