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Finding the Fourth Proportional to 101,747.70, 140,383.40 and 59,298.03

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Solution

The fourth proportional to 101,747.70, 140,383.40 and 59,298.03 is: 81,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.70 : 140,383.40 = 59,298.03 : x
  2. Step 2: Convert to fraction form
    101,747.70/140,383.40 = 59,298.03/x
  3. Step 3: Cross multiply
    101,747.70x = 140,383.40 × 59,298.03
  4. Step 4: Simplify right side
    101,747.70x = 8,324,458,768.21
  5. Step 5: Solve for x
    x = 8,324,458,768.21/101,747.70
  6. Step 6: Final answer
    x = 81,814.71

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1.5x scale

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.