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Finding the Fourth Proportional to 356,504.33, 534,843.97 and 103,787.08

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Solution

The fourth proportional to 356,504.33, 534,843.97 and 103,787.08 is: 155,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,504.33 : 534,843.97 = 103,787.08 : x
  2. Step 2: Convert to fraction form
    356,504.33/534,843.97 = 103,787.08/x
  3. Step 3: Cross multiply
    356,504.33x = 534,843.97 × 103,787.08
  4. Step 4: Simplify right side
    356,504.33x = 55,509,892,305.33
  5. Step 5: Solve for x
    x = 55,509,892,305.33/356,504.33
  6. Step 6: Final answer
    x = 155,706.08

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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.