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Finding the Fourth Proportional to 166,798, 230,181.96 and 91,347.76

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Solution

The fourth proportional to 166,798, 230,181.96 and 91,347.76 is: 126,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,798 : 230,181.96 = 91,347.76 : x
  2. Step 2: Convert to fraction form
    166,798/230,181.96 = 91,347.76/x
  3. Step 3: Cross multiply
    166,798x = 230,181.96 × 91,347.76
  4. Step 4: Simplify right side
    166,798x = 21,026,606,438.41
  5. Step 5: Solve for x
    x = 21,026,606,438.41/166,798
  6. Step 6: Final answer
    x = 126,060.30

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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.