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Finding the Fourth Proportional to 73,379.46, 101,257.92 and 43,165.92

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Solution

The fourth proportional to 73,379.46, 101,257.92 and 43,165.92 is: 59,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,379.46 : 101,257.92 = 43,165.92 : x
  2. Step 2: Convert to fraction form
    73,379.46/101,257.92 = 43,165.92/x
  3. Step 3: Cross multiply
    73,379.46x = 101,257.92 × 43,165.92
  4. Step 4: Simplify right side
    73,379.46x = 4,370,891,274.09
  5. Step 5: Solve for x
    x = 4,370,891,274.09/73,379.46
  6. Step 6: Final answer
    x = 59,565.60

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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.