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Finding the Fourth Proportional to 161,640.80, 242,500.08 and 50,832.80

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Solution

The fourth proportional to 161,640.80, 242,500.08 and 50,832.80 is: 76,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640.80 : 242,500.08 = 50,832.80 : x
  2. Step 2: Convert to fraction form
    161,640.80/242,500.08 = 50,832.80/x
  3. Step 3: Cross multiply
    161,640.80x = 242,500.08 × 50,832.80
  4. Step 4: Simplify right side
    161,640.80x = 12,326,958,066.62
  5. Step 5: Solve for x
    x = 12,326,958,066.62/161,640.80
  6. Step 6: Final answer
    x = 76,261.43

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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.