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Finding the Fourth Proportional to 200,736.76, 301,221.76 and 89,928.76

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Solution

The fourth proportional to 200,736.76, 301,221.76 and 89,928.76 is: 134,945.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,736.76 : 301,221.76 = 89,928.76 : x
  2. Step 2: Convert to fraction form
    200,736.76/301,221.76 = 89,928.76/x
  3. Step 3: Cross multiply
    200,736.76x = 301,221.76 × 89,928.76
  4. Step 4: Simplify right side
    200,736.76x = 27,088,499,361.82
  5. Step 5: Solve for x
    x = 27,088,499,361.82/200,736.76
  6. Step 6: Final answer
    x = 134,945.38

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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.