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Finding the Fourth Proportional to 119,068.11, 164,329.16 and 68,767.11

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Solution

The fourth proportional to 119,068.11, 164,329.16 and 68,767.11 is: 94,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,068.11 : 164,329.16 = 68,767.11 : x
  2. Step 2: Convert to fraction form
    119,068.11/164,329.16 = 68,767.11/x
  3. Step 3: Cross multiply
    119,068.11x = 164,329.16 × 68,767.11
  4. Step 4: Simplify right side
    119,068.11x = 11,300,441,078.09
  5. Step 5: Solve for x
    x = 11,300,441,078.09/119,068.11
  6. Step 6: Final answer
    x = 94,907.37

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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.