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Finding the Fourth Proportional to 275,773.61, 413,611.18 and 73,370.88

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Solution

The fourth proportional to 275,773.61, 413,611.18 and 73,370.88 is: 110,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,773.61 : 413,611.18 = 73,370.88 : x
  2. Step 2: Convert to fraction form
    275,773.61/413,611.18 = 73,370.88/x
  3. Step 3: Cross multiply
    275,773.61x = 413,611.18 × 73,370.88
  4. Step 4: Simplify right side
    275,773.61x = 30,347,016,071.01
  5. Step 5: Solve for x
    x = 30,347,016,071.01/275,773.61
  6. Step 6: Final answer
    x = 110,043.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.