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Finding the Fourth Proportional to 192,380.49, 265,484.52 and 107,497.62

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Solution

The fourth proportional to 192,380.49, 265,484.52 and 107,497.62 is: 148,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,380.49 : 265,484.52 = 107,497.62 : x
  2. Step 2: Convert to fraction form
    192,380.49/265,484.52 = 107,497.62/x
  3. Step 3: Cross multiply
    192,380.49x = 265,484.52 × 107,497.62
  4. Step 4: Simplify right side
    192,380.49x = 28,538,954,046.84
  5. Step 5: Solve for x
    x = 28,538,954,046.84/192,380.49
  6. Step 6: Final answer
    x = 148,346.40

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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.