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Finding the Fourth Proportional to 193,864, 267,536.64 and 118,454.08

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Solution

The fourth proportional to 193,864, 267,536.64 and 118,454.08 is: 163,469.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,864 : 267,536.64 = 118,454.08 : x
  2. Step 2: Convert to fraction form
    193,864/267,536.64 = 118,454.08/x
  3. Step 3: Cross multiply
    193,864x = 267,536.64 × 118,454.08
  4. Step 4: Simplify right side
    193,864x = 31,690,806,557.49
  5. Step 5: Solve for x
    x = 31,690,806,557.49/193,864
  6. Step 6: Final answer
    x = 163,469.27

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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.