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Finding the Fourth Proportional to 195,274, 269,462.92 and 118,782.80

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Solution

The fourth proportional to 195,274, 269,462.92 and 118,782.80 is: 163,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,274 : 269,462.92 = 118,782.80 : x
  2. Step 2: Convert to fraction form
    195,274/269,462.92 = 118,782.80/x
  3. Step 3: Cross multiply
    195,274x = 269,462.92 × 118,782.80
  4. Step 4: Simplify right side
    195,274x = 32,007,560,133.78
  5. Step 5: Solve for x
    x = 32,007,560,133.78/195,274
  6. Step 6: Final answer
    x = 163,911.02

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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.