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Finding the Fourth Proportional to 131,796.80, 197,695.20 and 33,300.80

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Solution

The fourth proportional to 131,796.80, 197,695.20 and 33,300.80 is: 49,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,796.80 : 197,695.20 = 33,300.80 : x
  2. Step 2: Convert to fraction form
    131,796.80/197,695.20 = 33,300.80/x
  3. Step 3: Cross multiply
    131,796.80x = 197,695.20 × 33,300.80
  4. Step 4: Simplify right side
    131,796.80x = 6,583,408,316.16
  5. Step 5: Solve for x
    x = 6,583,408,316.16/131,796.80
  6. Step 6: Final answer
    x = 49,951.20

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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.