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Finding the Fourth Proportional to 166,894, 230,313.72 and 91,444.24

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Solution

The fourth proportional to 166,894, 230,313.72 and 91,444.24 is: 126,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,894 : 230,313.72 = 91,444.24 : x
  2. Step 2: Convert to fraction form
    166,894/230,313.72 = 91,444.24/x
  3. Step 3: Cross multiply
    166,894x = 230,313.72 × 91,444.24
  4. Step 4: Simplify right side
    166,894x = 21,060,863,086.97
  5. Step 5: Solve for x
    x = 21,060,863,086.97/166,894
  6. Step 6: Final answer
    x = 126,193.05

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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.