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Finding the Fourth Proportional to 241,702.78, 362,554.31 and 91,908.49

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Solution

The fourth proportional to 241,702.78, 362,554.31 and 91,908.49 is: 137,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,702.78 : 362,554.31 = 91,908.49 : x
  2. Step 2: Convert to fraction form
    241,702.78/362,554.31 = 91,908.49/x
  3. Step 3: Cross multiply
    241,702.78x = 362,554.31 × 91,908.49
  4. Step 4: Simplify right side
    241,702.78x = 33,321,819,175.09
  5. Step 5: Solve for x
    x = 33,321,819,175.09/241,702.78
  6. Step 6: Final answer
    x = 137,862.79

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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.