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Finding the Fourth Proportional to 216,562.82, 298,858.59 and 119,761.65

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Solution

The fourth proportional to 216,562.82, 298,858.59 and 119,761.65 is: 165,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,562.82 : 298,858.59 = 119,761.65 : x
  2. Step 2: Convert to fraction form
    216,562.82/298,858.59 = 119,761.65/x
  3. Step 3: Cross multiply
    216,562.82x = 298,858.59 × 119,761.65
  4. Step 4: Simplify right side
    216,562.82x = 35,791,796,677.70
  5. Step 5: Solve for x
    x = 35,791,796,677.70/216,562.82
  6. Step 6: Final answer
    x = 165,272.12

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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.