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Finding the Fourth Proportional to 193,883.61, 267,378.80 and 125,827.83

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Solution

The fourth proportional to 193,883.61, 267,378.80 and 125,827.83 is: 173,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,883.61 : 267,378.80 = 125,827.83 : x
  2. Step 2: Convert to fraction form
    193,883.61/267,378.80 = 125,827.83/x
  3. Step 3: Cross multiply
    193,883.61x = 267,378.80 × 125,827.83
  4. Step 4: Simplify right side
    193,883.61x = 33,643,693,562.86
  5. Step 5: Solve for x
    x = 33,643,693,562.86/193,883.61
  6. Step 6: Final answer
    x = 173,525.21

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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.