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Finding the Fourth Proportional to 192,513.80, 265,655.55 and 111,935.62

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Solution

The fourth proportional to 192,513.80, 265,655.55 and 111,935.62 is: 154,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,513.80 : 265,655.55 = 111,935.62 : x
  2. Step 2: Convert to fraction form
    192,513.80/265,655.55 = 111,935.62/x
  3. Step 3: Cross multiply
    192,513.80x = 265,655.55 × 111,935.62
  4. Step 4: Simplify right side
    192,513.80x = 29,736,317,367.41
  5. Step 5: Solve for x
    x = 29,736,317,367.41/192,513.80
  6. Step 6: Final answer
    x = 154,463.30

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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.