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Finding the Fourth Proportional to 183,713.80, 275,570.70 and 127,726.60

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Solution

The fourth proportional to 183,713.80, 275,570.70 and 127,726.60 is: 191,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,713.80 : 275,570.70 = 127,726.60 : x
  2. Step 2: Convert to fraction form
    183,713.80/275,570.70 = 127,726.60/x
  3. Step 3: Cross multiply
    183,713.80x = 275,570.70 × 127,726.60
  4. Step 4: Simplify right side
    183,713.80x = 35,197,708,570.62
  5. Step 5: Solve for x
    x = 35,197,708,570.62/183,713.80
  6. Step 6: Final answer
    x = 191,589.90

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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.