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Finding the Fourth Proportional to 193,883.36, 267,449.76 and 113,293.76

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Solution

The fourth proportional to 193,883.36, 267,449.76 and 113,293.76 is: 156,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,883.36 : 267,449.76 = 113,293.76 : x
  2. Step 2: Convert to fraction form
    193,883.36/267,449.76 = 113,293.76/x
  3. Step 3: Cross multiply
    193,883.36x = 267,449.76 × 113,293.76
  4. Step 4: Simplify right side
    193,883.36x = 30,300,388,921.50
  5. Step 5: Solve for x
    x = 30,300,388,921.50/193,883.36
  6. Step 6: Final answer
    x = 156,281.53

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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.