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Finding the Fourth Proportional to 192,513.68, 265,655.39 and 111,935.49

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Solution

The fourth proportional to 192,513.68, 265,655.39 and 111,935.49 is: 154,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,513.68 : 265,655.39 = 111,935.49 : x
  2. Step 2: Convert to fraction form
    192,513.68/265,655.39 = 111,935.49/x
  3. Step 3: Cross multiply
    192,513.68x = 265,655.39 × 111,935.49
  4. Step 4: Simplify right side
    192,513.68x = 29,736,265,691.11
  5. Step 5: Solve for x
    x = 29,736,265,691.11/192,513.68
  6. Step 6: Final answer
    x = 154,463.13

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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.