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Finding the Fourth Proportional to 73,372.12, 101,262.48 and 43,156

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Solution

The fourth proportional to 73,372.12, 101,262.48 and 43,156 is: 59,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,372.12 : 101,262.48 = 43,156 : x
  2. Step 2: Convert to fraction form
    73,372.12/101,262.48 = 43,156/x
  3. Step 3: Cross multiply
    73,372.12x = 101,262.48 × 43,156
  4. Step 4: Simplify right side
    73,372.12x = 4,370,083,586.88
  5. Step 5: Solve for x
    x = 4,370,083,586.88/73,372.12
  6. Step 6: Final answer
    x = 59,560.55

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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.