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Finding the Fourth Proportional to 133,098.66, 199,676.61 and 38,328.12

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Solution

The fourth proportional to 133,098.66, 199,676.61 and 38,328.12 is: 57,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,098.66 : 199,676.61 = 38,328.12 : x
  2. Step 2: Convert to fraction form
    133,098.66/199,676.61 = 38,328.12/x
  3. Step 3: Cross multiply
    133,098.66x = 199,676.61 × 38,328.12
  4. Step 4: Simplify right side
    133,098.66x = 7,653,229,069.27
  5. Step 5: Solve for x
    x = 7,653,229,069.27/133,098.66
  6. Step 6: Final answer
    x = 57,500.42

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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.