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Finding the Fourth Proportional to 192,496.73, 265,646.07 and 107,613.78

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Solution

The fourth proportional to 192,496.73, 265,646.07 and 107,613.78 is: 148,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,496.73 : 265,646.07 = 107,613.78 : x
  2. Step 2: Convert to fraction form
    192,496.73/265,646.07 = 107,613.78/x
  3. Step 3: Cross multiply
    192,496.73x = 265,646.07 × 107,613.78
  4. Step 4: Simplify right side
    192,496.73x = 28,587,177,734.84
  5. Step 5: Solve for x
    x = 28,587,177,734.84/192,496.73
  6. Step 6: Final answer
    x = 148,507.34

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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.