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Finding the Fourth Proportional to 131,958.88, 182,103.48 and 71,529.52

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Solution

The fourth proportional to 131,958.88, 182,103.48 and 71,529.52 is: 98,710.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,958.88 : 182,103.48 = 71,529.52 : x
  2. Step 2: Convert to fraction form
    131,958.88/182,103.48 = 71,529.52/x
  3. Step 3: Cross multiply
    131,958.88x = 182,103.48 × 71,529.52
  4. Step 4: Simplify right side
    131,958.88x = 13,025,774,514.73
  5. Step 5: Solve for x
    x = 13,025,774,514.73/131,958.88
  6. Step 6: Final answer
    x = 98,710.86

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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.