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Finding the Fourth Proportional to 104,661.80, 144,437.08 and 59,958.44

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Solution

The fourth proportional to 104,661.80, 144,437.08 and 59,958.44 is: 82,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.80 : 144,437.08 = 59,958.44 : x
  2. Step 2: Convert to fraction form
    104,661.80/144,437.08 = 59,958.44/x
  3. Step 3: Cross multiply
    104,661.80x = 144,437.08 × 59,958.44
  4. Step 4: Simplify right side
    104,661.80x = 8,660,221,994.96
  5. Step 5: Solve for x
    x = 8,660,221,994.96/104,661.80
  6. Step 6: Final answer
    x = 82,744.82

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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.