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Finding the Fourth Proportional to 183,843.88, 253,728.25 and 103,271.38

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Solution

The fourth proportional to 183,843.88, 253,728.25 and 103,271.38 is: 142,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,843.88 : 253,728.25 = 103,271.38 : x
  2. Step 2: Convert to fraction form
    183,843.88/253,728.25 = 103,271.38/x
  3. Step 3: Cross multiply
    183,843.88x = 253,728.25 × 103,271.38
  4. Step 4: Simplify right side
    183,843.88x = 26,202,865,629.99
  5. Step 5: Solve for x
    x = 26,202,865,629.99/183,843.88
  6. Step 6: Final answer
    x = 142,527.81

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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.