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Finding the Fourth Proportional to 195,391.50, 269,640.30 and 110,506.74

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Solution

The fourth proportional to 195,391.50, 269,640.30 and 110,506.74 is: 152,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,391.50 : 269,640.30 = 110,506.74 : x
  2. Step 2: Convert to fraction form
    195,391.50/269,640.30 = 110,506.74/x
  3. Step 3: Cross multiply
    195,391.50x = 269,640.30 × 110,506.74
  4. Step 4: Simplify right side
    195,391.50x = 29,797,070,525.62
  5. Step 5: Solve for x
    x = 29,797,070,525.62/195,391.50
  6. Step 6: Final answer
    x = 152,499.32

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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.