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Finding the Fourth Proportional to 160,323.92, 221,229.60 and 88,692.56

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Solution

The fourth proportional to 160,323.92, 221,229.60 and 88,692.56 is: 122,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,323.92 : 221,229.60 = 88,692.56 : x
  2. Step 2: Convert to fraction form
    160,323.92/221,229.60 = 88,692.56/x
  3. Step 3: Cross multiply
    160,323.92x = 221,229.60 × 88,692.56
  4. Step 4: Simplify right side
    160,323.92x = 19,621,419,571.78
  5. Step 5: Solve for x
    x = 19,621,419,571.78/160,323.92
  6. Step 6: Final answer
    x = 122,386.10

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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.