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Finding the Fourth Proportional to 183,790.66, 253,601.34 and 114,872

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Solution

The fourth proportional to 183,790.66, 253,601.34 and 114,872 is: 158,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.66 : 253,601.34 = 114,872 : x
  2. Step 2: Convert to fraction form
    183,790.66/253,601.34 = 114,872/x
  3. Step 3: Cross multiply
    183,790.66x = 253,601.34 × 114,872
  4. Step 4: Simplify right side
    183,790.66x = 29,131,693,128.48
  5. Step 5: Solve for x
    x = 29,131,693,128.48/183,790.66
  6. Step 6: Final answer
    x = 158,504.75

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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.