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Finding the Fourth Proportional to 269,661.96, 404,544.96 and 103,437

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Solution

The fourth proportional to 269,661.96, 404,544.96 and 103,437 is: 155,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,661.96 : 404,544.96 = 103,437 : x
  2. Step 2: Convert to fraction form
    269,661.96/404,544.96 = 103,437/x
  3. Step 3: Cross multiply
    269,661.96x = 404,544.96 × 103,437
  4. Step 4: Simplify right side
    269,661.96x = 41,844,917,027.52
  5. Step 5: Solve for x
    x = 41,844,917,027.52/269,661.96
  6. Step 6: Final answer
    x = 155,175.45

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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.