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Finding the Fourth Proportional to 101,040.01, 150,743.38 and 90,951.56

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Solution

The fourth proportional to 101,040.01, 150,743.38 and 90,951.56 is: 135,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,040.01 : 150,743.38 = 90,951.56 : x
  2. Step 2: Convert to fraction form
    101,040.01/150,743.38 = 90,951.56/x
  3. Step 3: Cross multiply
    101,040.01x = 150,743.38 × 90,951.56
  4. Step 4: Simplify right side
    101,040.01x = 13,710,345,325.40
  5. Step 5: Solve for x
    x = 13,710,345,325.40/101,040.01
  6. Step 6: Final answer
    x = 135,692.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.