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Finding the Fourth Proportional to 118,309.00, 163,269.99 and 67,329.04

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Solution

The fourth proportional to 118,309.00, 163,269.99 and 67,329.04 is: 92,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,309.00 : 163,269.99 = 67,329.04 : x
  2. Step 2: Convert to fraction form
    118,309.00/163,269.99 = 67,329.04/x
  3. Step 3: Cross multiply
    118,309.00x = 163,269.99 × 67,329.04
  4. Step 4: Simplify right side
    118,309.00x = 10,992,811,350.86
  5. Step 5: Solve for x
    x = 10,992,811,350.86/118,309.00
  6. Step 6: Final answer
    x = 92,916.11

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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.