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Finding the Fourth Proportional to 203,901.92, 305,852.88 and 119,790.56

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Solution

The fourth proportional to 203,901.92, 305,852.88 and 119,790.56 is: 179,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,901.92 : 305,852.88 = 119,790.56 : x
  2. Step 2: Convert to fraction form
    203,901.92/305,852.88 = 119,790.56/x
  3. Step 3: Cross multiply
    203,901.92x = 305,852.88 × 119,790.56
  4. Step 4: Simplify right side
    203,901.92x = 36,638,287,772.81
  5. Step 5: Solve for x
    x = 36,638,287,772.81/203,901.92
  6. Step 6: Final answer
    x = 179,685.84

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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.