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Finding the Fourth Proportional to 79,673.70, 119,455.17 and 35,276.22

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Solution

The fourth proportional to 79,673.70, 119,455.17 and 35,276.22 is: 52,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,673.70 : 119,455.17 = 35,276.22 : x
  2. Step 2: Convert to fraction form
    79,673.70/119,455.17 = 35,276.22/x
  3. Step 3: Cross multiply
    79,673.70x = 119,455.17 × 35,276.22
  4. Step 4: Simplify right side
    79,673.70x = 4,213,926,857.06
  5. Step 5: Solve for x
    x = 4,213,926,857.06/79,673.70
  6. Step 6: Final answer
    x = 52,889.81

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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.