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Finding the Fourth Proportional to 79,843.86, 119,516.68 and 58,807.65

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Solution

The fourth proportional to 79,843.86, 119,516.68 and 58,807.65 is: 88,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,843.86 : 119,516.68 = 58,807.65 : x
  2. Step 2: Convert to fraction form
    79,843.86/119,516.68 = 58,807.65/x
  3. Step 3: Cross multiply
    79,843.86x = 119,516.68 × 58,807.65
  4. Step 4: Simplify right side
    79,843.86x = 7,028,495,608.30
  5. Step 5: Solve for x
    x = 7,028,495,608.30/79,843.86
  6. Step 6: Final answer
    x = 88,028.00

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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.