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Finding the Fourth Proportional to 199,797.90, 275,159.79 and 195,443.34

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Solution

The fourth proportional to 199,797.90, 275,159.79 and 195,443.34 is: 269,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,797.90 : 275,159.79 = 195,443.34 : x
  2. Step 2: Convert to fraction form
    199,797.90/275,159.79 = 195,443.34/x
  3. Step 3: Cross multiply
    199,797.90x = 275,159.79 × 195,443.34
  4. Step 4: Simplify right side
    199,797.90x = 53,778,148,391.30
  5. Step 5: Solve for x
    x = 53,778,148,391.30/199,797.90
  6. Step 6: Final answer
    x = 269,162.73

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1.5x scale

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.