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Finding the Fourth Proportional to 79,815.00, 119,641.66 and 51,752.86

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Solution

The fourth proportional to 79,815.00, 119,641.66 and 51,752.86 is: 77,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.00 : 119,641.66 = 51,752.86 : x
  2. Step 2: Convert to fraction form
    79,815.00/119,641.66 = 51,752.86/x
  3. Step 3: Cross multiply
    79,815.00x = 119,641.66 × 51,752.86
  4. Step 4: Simplify right side
    79,815.00x = 6,191,797,651.66
  5. Step 5: Solve for x
    x = 6,191,797,651.66/79,815.00
  6. Step 6: Final answer
    x = 77,576.86

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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.