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Finding the Fourth Proportional to 79,866.66, 119,800.06 and 27,276.14

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Solution

The fourth proportional to 79,866.66, 119,800.06 and 27,276.14 is: 40,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,866.66 : 119,800.06 = 27,276.14 : x
  2. Step 2: Convert to fraction form
    79,866.66/119,800.06 = 27,276.14/x
  3. Step 3: Cross multiply
    79,866.66x = 119,800.06 × 27,276.14
  4. Step 4: Simplify right side
    79,866.66x = 3,267,683,593.31
  5. Step 5: Solve for x
    x = 3,267,683,593.31/79,866.66
  6. Step 6: Final answer
    x = 40,914.24

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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.