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Finding the Fourth Proportional to 224,745.40, 336,945.30 and 126,249.40

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Solution

The fourth proportional to 224,745.40, 336,945.30 and 126,249.40 is: 189,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,745.40 : 336,945.30 = 126,249.40 : x
  2. Step 2: Convert to fraction form
    224,745.40/336,945.30 = 126,249.40/x
  3. Step 3: Cross multiply
    224,745.40x = 336,945.30 × 126,249.40
  4. Step 4: Simplify right side
    224,745.40x = 42,539,141,957.82
  5. Step 5: Solve for x
    x = 42,539,141,957.82/224,745.40
  6. Step 6: Final answer
    x = 189,277.03

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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.