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Finding the Fourth Proportional to 182,371.96, 251,672.34 and 105,909.85

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Solution

The fourth proportional to 182,371.96, 251,672.34 and 105,909.85 is: 146,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,371.96 : 251,672.34 = 105,909.85 : x
  2. Step 2: Convert to fraction form
    182,371.96/251,672.34 = 105,909.85/x
  3. Step 3: Cross multiply
    182,371.96x = 251,672.34 × 105,909.85
  4. Step 4: Simplify right side
    182,371.96x = 26,654,579,695.98
  5. Step 5: Solve for x
    x = 26,654,579,695.98/182,371.96
  6. Step 6: Final answer
    x = 146,155.03

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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.