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Finding the Fourth Proportional to 101,493.60, 140,058.27 and 56,173.44

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Solution

The fourth proportional to 101,493.60, 140,058.27 and 56,173.44 is: 77,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,493.60 : 140,058.27 = 56,173.44 : x
  2. Step 2: Convert to fraction form
    101,493.60/140,058.27 = 56,173.44/x
  3. Step 3: Cross multiply
    101,493.60x = 140,058.27 × 56,173.44
  4. Step 4: Simplify right side
    101,493.60x = 7,867,554,826.35
  5. Step 5: Solve for x
    x = 7,867,554,826.35/101,493.60
  6. Step 6: Final answer
    x = 77,517.74

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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.