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Finding the Fourth Proportional to 193,607.68, 290,236.56 and 134,471.20

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Solution

The fourth proportional to 193,607.68, 290,236.56 and 134,471.20 is: 201,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,607.68 : 290,236.56 = 134,471.20 : x
  2. Step 2: Convert to fraction form
    193,607.68/290,236.56 = 134,471.20/x
  3. Step 3: Cross multiply
    193,607.68x = 290,236.56 × 134,471.20
  4. Step 4: Simplify right side
    193,607.68x = 39,028,458,507.07
  5. Step 5: Solve for x
    x = 39,028,458,507.07/193,607.68
  6. Step 6: Final answer
    x = 201,585.28

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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.