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Finding the Fourth Proportional to 80,064.39, 110,488.87 and 43,765.98

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Solution

The fourth proportional to 80,064.39, 110,488.87 and 43,765.98 is: 60,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,064.39 : 110,488.87 = 43,765.98 : x
  2. Step 2: Convert to fraction form
    80,064.39/110,488.87 = 43,765.98/x
  3. Step 3: Cross multiply
    80,064.39x = 110,488.87 × 43,765.98
  4. Step 4: Simplify right side
    80,064.39x = 4,835,653,674.64
  5. Step 5: Solve for x
    x = 4,835,653,674.64/80,064.39
  6. Step 6: Final answer
    x = 60,397.06

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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.