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Finding the Fourth Proportional to 183,855.11, 253,706.42 and 103,296.06

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Solution

The fourth proportional to 183,855.11, 253,706.42 and 103,296.06 is: 142,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,855.11 : 253,706.42 = 103,296.06 : x
  2. Step 2: Convert to fraction form
    183,855.11/253,706.42 = 103,296.06/x
  3. Step 3: Cross multiply
    183,855.11x = 253,706.42 × 103,296.06
  4. Step 4: Simplify right side
    183,855.11x = 26,206,873,066.22
  5. Step 5: Solve for x
    x = 26,206,873,066.22/183,855.11
  6. Step 6: Final answer
    x = 142,540.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.