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Finding the Fourth Proportional to 144,592.56, 199,535.67 and 80,055.61

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Solution

The fourth proportional to 144,592.56, 199,535.67 and 80,055.61 is: 110,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,592.56 : 199,535.67 = 80,055.61 : x
  2. Step 2: Convert to fraction form
    144,592.56/199,535.67 = 80,055.61/x
  3. Step 3: Cross multiply
    144,592.56x = 199,535.67 × 80,055.61
  4. Step 4: Simplify right side
    144,592.56x = 15,973,949,279.77
  5. Step 5: Solve for x
    x = 15,973,949,279.77/144,592.56
  6. Step 6: Final answer
    x = 110,475.60

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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.