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Finding the Fourth Proportional to 71,653.99, 98,789.53 and 46,114.69

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Solution

The fourth proportional to 71,653.99, 98,789.53 and 46,114.69 is: 63,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,653.99 : 98,789.53 = 46,114.69 : x
  2. Step 2: Convert to fraction form
    71,653.99/98,789.53 = 46,114.69/x
  3. Step 3: Cross multiply
    71,653.99x = 98,789.53 × 46,114.69
  4. Step 4: Simplify right side
    71,653.99x = 4,555,647,826.67
  5. Step 5: Solve for x
    x = 4,555,647,826.67/71,653.99
  6. Step 6: Final answer
    x = 63,578.43

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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.