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Finding the Fourth Proportional to 147,170.68, 203,099.88 and 104,227

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Solution

The fourth proportional to 147,170.68, 203,099.88 and 104,227 is: 143,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.68 : 203,099.88 = 104,227 : x
  2. Step 2: Convert to fraction form
    147,170.68/203,099.88 = 104,227/x
  3. Step 3: Cross multiply
    147,170.68x = 203,099.88 × 104,227
  4. Step 4: Simplify right side
    147,170.68x = 21,168,491,192.76
  5. Step 5: Solve for x
    x = 21,168,491,192.76/147,170.68
  6. Step 6: Final answer
    x = 143,836.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.