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Finding the Fourth Proportional to 161,727.80, 242,591.70 and 82,995.80

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Solution

The fourth proportional to 161,727.80, 242,591.70 and 82,995.80 is: 124,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.80 : 242,591.70 = 82,995.80 : x
  2. Step 2: Convert to fraction form
    161,727.80/242,591.70 = 82,995.80/x
  3. Step 3: Cross multiply
    161,727.80x = 242,591.70 × 82,995.80
  4. Step 4: Simplify right side
    161,727.80x = 20,134,092,214.86
  5. Step 5: Solve for x
    x = 20,134,092,214.86/161,727.80
  6. Step 6: Final answer
    x = 124,493.70

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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.