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Finding the Fourth Proportional to 193,703.65, 267,363.82 and 125,716.67

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Solution

The fourth proportional to 193,703.65, 267,363.82 and 125,716.67 is: 173,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,703.65 : 267,363.82 = 125,716.67 : x
  2. Step 2: Convert to fraction form
    193,703.65/267,363.82 = 125,716.67/x
  3. Step 3: Cross multiply
    193,703.65x = 267,363.82 × 125,716.67
  4. Step 4: Simplify right side
    193,703.65x = 33,612,088,951.82
  5. Step 5: Solve for x
    x = 33,612,088,951.82/193,703.65
  6. Step 6: Final answer
    x = 173,523.26

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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.