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Finding the Fourth Proportional to 79,665.69, 119,519.28 and 29,746.20

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Solution

The fourth proportional to 79,665.69, 119,519.28 and 29,746.20 is: 44,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,665.69 : 119,519.28 = 29,746.20 : x
  2. Step 2: Convert to fraction form
    79,665.69/119,519.28 = 29,746.20/x
  3. Step 3: Cross multiply
    79,665.69x = 119,519.28 × 29,746.20
  4. Step 4: Simplify right side
    79,665.69x = 3,555,244,406.74
  5. Step 5: Solve for x
    x = 3,555,244,406.74/79,665.69
  6. Step 6: Final answer
    x = 44,627.05

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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.