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Finding the Fourth Proportional to 195,132.80, 292,468.80 and 82,812.80

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Solution

The fourth proportional to 195,132.80, 292,468.80 and 82,812.80 is: 124,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,132.80 : 292,468.80 = 82,812.80 : x
  2. Step 2: Convert to fraction form
    195,132.80/292,468.80 = 82,812.80/x
  3. Step 3: Cross multiply
    195,132.80x = 292,468.80 × 82,812.80
  4. Step 4: Simplify right side
    195,132.80x = 24,220,160,240.64
  5. Step 5: Solve for x
    x = 24,220,160,240.64/195,132.80
  6. Step 6: Final answer
    x = 124,121.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.