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Finding the Fourth Proportional to 123,843.11, 185,638.58 and 48,860.33

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Solution

The fourth proportional to 123,843.11, 185,638.58 and 48,860.33 is: 73,240.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,843.11 : 185,638.58 = 48,860.33 : x
  2. Step 2: Convert to fraction form
    123,843.11/185,638.58 = 48,860.33/x
  3. Step 3: Cross multiply
    123,843.11x = 185,638.58 × 48,860.33
  4. Step 4: Simplify right side
    123,843.11x = 9,070,362,499.33
  5. Step 5: Solve for x
    x = 9,070,362,499.33/123,843.11
  6. Step 6: Final answer
    x = 73,240.75

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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.