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Finding the Fourth Proportional to 192,832.39, 266,108.70 and 117,380.89

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Solution

The fourth proportional to 192,832.39, 266,108.70 and 117,380.89 is: 161,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,832.39 : 266,108.70 = 117,380.89 : x
  2. Step 2: Convert to fraction form
    192,832.39/266,108.70 = 117,380.89/x
  3. Step 3: Cross multiply
    192,832.39x = 266,108.70 × 117,380.89
  4. Step 4: Simplify right side
    192,832.39x = 31,236,076,042.74
  5. Step 5: Solve for x
    x = 31,236,076,042.74/192,832.39
  6. Step 6: Final answer
    x = 161,985.63

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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.