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Finding the Fourth Proportional to 119,804.00, 165,323.96 and 68,780.82

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Solution

The fourth proportional to 119,804.00, 165,323.96 and 68,780.82 is: 94,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,804.00 : 165,323.96 = 68,780.82 : x
  2. Step 2: Convert to fraction form
    119,804.00/165,323.96 = 68,780.82/x
  3. Step 3: Cross multiply
    119,804.00x = 165,323.96 × 68,780.82
  4. Step 4: Simplify right side
    119,804.00x = 11,371,117,874.99
  5. Step 5: Solve for x
    x = 11,371,117,874.99/119,804.00
  6. Step 6: Final answer
    x = 94,914.34

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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.