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Finding the Fourth Proportional to 144,581.80, 199,529.12 and 80,051.03

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Solution

The fourth proportional to 144,581.80, 199,529.12 and 80,051.03 is: 110,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,581.80 : 199,529.12 = 80,051.03 : x
  2. Step 2: Convert to fraction form
    144,581.80/199,529.12 = 80,051.03/x
  3. Step 3: Cross multiply
    144,581.80x = 199,529.12 × 80,051.03
  4. Step 4: Simplify right side
    144,581.80x = 15,972,512,184.74
  5. Step 5: Solve for x
    x = 15,972,512,184.74/144,581.80
  6. Step 6: Final answer
    x = 110,473.88

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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.