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Finding the Fourth Proportional to 79,462.74, 119,298.28 and 53,284.62

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Solution

The fourth proportional to 79,462.74, 119,298.28 and 53,284.62 is: 79,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,462.74 : 119,298.28 = 53,284.62 : x
  2. Step 2: Convert to fraction form
    79,462.74/119,298.28 = 53,284.62/x
  3. Step 3: Cross multiply
    79,462.74x = 119,298.28 × 53,284.62
  4. Step 4: Simplify right side
    79,462.74x = 6,356,763,516.45
  5. Step 5: Solve for x
    x = 6,356,763,516.45/79,462.74
  6. Step 6: Final answer
    x = 79,996.78

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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.