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Finding the Fourth Proportional to 101,692.60, 140,160.67 and 67,640.24

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Solution

The fourth proportional to 101,692.60, 140,160.67 and 67,640.24 is: 93,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,692.60 : 140,160.67 = 67,640.24 : x
  2. Step 2: Convert to fraction form
    101,692.60/140,160.67 = 67,640.24/x
  3. Step 3: Cross multiply
    101,692.60x = 140,160.67 × 67,640.24
  4. Step 4: Simplify right side
    101,692.60x = 9,480,501,538.66
  5. Step 5: Solve for x
    x = 9,480,501,538.66/101,692.60
  6. Step 6: Final answer
    x = 93,227.06

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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.