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Finding the Fourth Proportional to 82,134.95, 113,357.88 and 49,885.88

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Solution

The fourth proportional to 82,134.95, 113,357.88 and 49,885.88 is: 68,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,134.95 : 113,357.88 = 49,885.88 : x
  2. Step 2: Convert to fraction form
    82,134.95/113,357.88 = 49,885.88/x
  3. Step 3: Cross multiply
    82,134.95x = 113,357.88 × 49,885.88
  4. Step 4: Simplify right side
    82,134.95x = 5,654,957,031.95
  5. Step 5: Solve for x
    x = 5,654,957,031.95/82,134.95
  6. Step 6: Final answer
    x = 68,849.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.