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Finding the Fourth Proportional to 168,950.52, 253,511.73 and 105,759.81

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Solution

The fourth proportional to 168,950.52, 253,511.73 and 105,759.81 is: 158,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,950.52 : 253,511.73 = 105,759.81 : x
  2. Step 2: Convert to fraction form
    168,950.52/253,511.73 = 105,759.81/x
  3. Step 3: Cross multiply
    168,950.52x = 253,511.73 × 105,759.81
  4. Step 4: Simplify right side
    168,950.52x = 26,811,352,397.57
  5. Step 5: Solve for x
    x = 26,811,352,397.57/168,950.52
  6. Step 6: Final answer
    x = 158,693.52

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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.