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Finding the Fourth Proportional to 58,992.99, 81,339.81 and 48,198.08

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Solution

The fourth proportional to 58,992.99, 81,339.81 and 48,198.08 is: 66,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,992.99 : 81,339.81 = 48,198.08 : x
  2. Step 2: Convert to fraction form
    58,992.99/81,339.81 = 48,198.08/x
  3. Step 3: Cross multiply
    58,992.99x = 81,339.81 × 48,198.08
  4. Step 4: Simplify right side
    58,992.99x = 3,920,422,262.87
  5. Step 5: Solve for x
    x = 3,920,422,262.87/58,992.99
  6. Step 6: Final answer
    x = 66,455.73

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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.