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Finding the Fourth Proportional to 149,419.20, 223,480.80 and 133,737.60

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Solution

The fourth proportional to 149,419.20, 223,480.80 and 133,737.60 is: 200,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,419.20 : 223,480.80 = 133,737.60 : x
  2. Step 2: Convert to fraction form
    149,419.20/223,480.80 = 133,737.60/x
  3. Step 3: Cross multiply
    149,419.20x = 223,480.80 × 133,737.60
  4. Step 4: Simplify right side
    149,419.20x = 29,887,785,838.08
  5. Step 5: Solve for x
    x = 29,887,785,838.08/149,419.20
  6. Step 6: Final answer
    x = 200,026.41

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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.