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Finding the Fourth Proportional to 193,766.40, 267,404.40 and 108,881.76

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Solution

The fourth proportional to 193,766.40, 267,404.40 and 108,881.76 is: 150,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,766.40 : 267,404.40 = 108,881.76 : x
  2. Step 2: Convert to fraction form
    193,766.40/267,404.40 = 108,881.76/x
  3. Step 3: Cross multiply
    193,766.40x = 267,404.40 × 108,881.76
  4. Step 4: Simplify right side
    193,766.40x = 29,115,461,703.74
  5. Step 5: Solve for x
    x = 29,115,461,703.74/193,766.40
  6. Step 6: Final answer
    x = 150,260.63

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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.