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Finding the Fourth Proportional to 61,198.68, 91,711.82 and 48,663.05

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Solution

The fourth proportional to 61,198.68, 91,711.82 and 48,663.05 is: 72,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,198.68 : 91,711.82 = 48,663.05 : x
  2. Step 2: Convert to fraction form
    61,198.68/91,711.82 = 48,663.05/x
  3. Step 3: Cross multiply
    61,198.68x = 91,711.82 × 48,663.05
  4. Step 4: Simplify right side
    61,198.68x = 4,462,977,233.19
  5. Step 5: Solve for x
    x = 4,462,977,233.19/61,198.68
  6. Step 6: Final answer
    x = 72,926.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.