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Finding the Fourth Proportional to 192,510.68, 265,651.25 and 111,932.48

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Solution

The fourth proportional to 192,510.68, 265,651.25 and 111,932.48 is: 154,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,510.68 : 265,651.25 = 111,932.48 : x
  2. Step 2: Convert to fraction form
    192,510.68/265,651.25 = 111,932.48/x
  3. Step 3: Cross multiply
    192,510.68x = 265,651.25 × 111,932.48
  4. Step 4: Simplify right side
    192,510.68x = 29,735,003,332.07
  5. Step 5: Solve for x
    x = 29,735,003,332.07/192,510.68
  6. Step 6: Final answer
    x = 154,458.98

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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.