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Finding the Fourth Proportional to 101,958.32, 140,692.10 and 59,541.42

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Solution

The fourth proportional to 101,958.32, 140,692.10 and 59,541.42 is: 82,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,958.32 : 140,692.10 = 59,541.42 : x
  2. Step 2: Convert to fraction form
    101,958.32/140,692.10 = 59,541.42/x
  3. Step 3: Cross multiply
    101,958.32x = 140,692.10 × 59,541.42
  4. Step 4: Simplify right side
    101,958.32x = 8,377,007,416.78
  5. Step 5: Solve for x
    x = 8,377,007,416.78/101,958.32
  6. Step 6: Final answer
    x = 82,161.10

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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.