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Finding the Fourth Proportional to 193,878.30, 267,420.56 and 125,773.56

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Solution

The fourth proportional to 193,878.30, 267,420.56 and 125,773.56 is: 173,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,878.30 : 267,420.56 = 125,773.56 : x
  2. Step 2: Convert to fraction form
    193,878.30/267,420.56 = 125,773.56/x
  3. Step 3: Cross multiply
    193,878.30x = 267,420.56 × 125,773.56
  4. Step 4: Simplify right side
    193,878.30x = 33,634,435,848.39
  5. Step 5: Solve for x
    x = 33,634,435,848.39/193,878.30
  6. Step 6: Final answer
    x = 173,482.21

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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.