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Finding the Fourth Proportional to 129,866.00, 194,804.55 and 50,997.29

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Solution

The fourth proportional to 129,866.00, 194,804.55 and 50,997.29 is: 76,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,866.00 : 194,804.55 = 50,997.29 : x
  2. Step 2: Convert to fraction form
    129,866.00/194,804.55 = 50,997.29/x
  3. Step 3: Cross multiply
    129,866.00x = 194,804.55 × 50,997.29
  4. Step 4: Simplify right side
    129,866.00x = 9,934,503,155.65
  5. Step 5: Solve for x
    x = 9,934,503,155.65/129,866.00
  6. Step 6: Final answer
    x = 76,498.11

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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.