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Finding the Fourth Proportional to 101,952.09, 140,692.01 and 56,628.27

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Solution

The fourth proportional to 101,952.09, 140,692.01 and 56,628.27 is: 78,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,952.09 : 140,692.01 = 56,628.27 : x
  2. Step 2: Convert to fraction form
    101,952.09/140,692.01 = 56,628.27/x
  3. Step 3: Cross multiply
    101,952.09x = 140,692.01 × 56,628.27
  4. Step 4: Simplify right side
    101,952.09x = 7,967,144,845.98
  5. Step 5: Solve for x
    x = 7,967,144,845.98/101,952.09
  6. Step 6: Final answer
    x = 78,145.97

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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.