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Finding the Fourth Proportional to 193,889.25, 267,605.52 and 125,810.64

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Solution

The fourth proportional to 193,889.25, 267,605.52 and 125,810.64 is: 173,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,889.25 : 267,605.52 = 125,810.64 : x
  2. Step 2: Convert to fraction form
    193,889.25/267,605.52 = 125,810.64/x
  3. Step 3: Cross multiply
    193,889.25x = 267,605.52 × 125,810.64
  4. Step 4: Simplify right side
    193,889.25x = 33,667,621,738.73
  5. Step 5: Solve for x
    x = 33,667,621,738.73/193,889.25
  6. Step 6: Final answer
    x = 173,643.57

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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.