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Finding the Fourth Proportional to 180,628.80, 271,202.40 and 101,896.80

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Solution

The fourth proportional to 180,628.80, 271,202.40 and 101,896.80 is: 152,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,628.80 : 271,202.40 = 101,896.80 : x
  2. Step 2: Convert to fraction form
    180,628.80/271,202.40 = 101,896.80/x
  3. Step 3: Cross multiply
    180,628.80x = 271,202.40 × 101,896.80
  4. Step 4: Simplify right side
    180,628.80x = 27,634,656,712.32
  5. Step 5: Solve for x
    x = 27,634,656,712.32/180,628.80
  6. Step 6: Final answer
    x = 152,991.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.