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Finding the Fourth Proportional to 104,659.80, 144,434.34 and 59,956.44

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Solution

The fourth proportional to 104,659.80, 144,434.34 and 59,956.44 is: 82,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,659.80 : 144,434.34 = 59,956.44 : x
  2. Step 2: Convert to fraction form
    104,659.80/144,434.34 = 59,956.44/x
  3. Step 3: Cross multiply
    104,659.80x = 144,434.34 × 59,956.44
  4. Step 4: Simplify right side
    104,659.80x = 8,659,768,840.15
  5. Step 5: Solve for x
    x = 8,659,768,840.15/104,659.80
  6. Step 6: Final answer
    x = 82,742.07

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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.