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Finding the Fourth Proportional to 133,166.59, 199,743.09 and 48,920.29

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Solution

The fourth proportional to 133,166.59, 199,743.09 and 48,920.29 is: 73,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166.59 : 199,743.09 = 48,920.29 : x
  2. Step 2: Convert to fraction form
    133,166.59/199,743.09 = 48,920.29/x
  3. Step 3: Cross multiply
    133,166.59x = 199,743.09 × 48,920.29
  4. Step 4: Simplify right side
    133,166.59x = 9,771,489,888.30
  5. Step 5: Solve for x
    x = 9,771,489,888.30/133,166.59
  6. Step 6: Final answer
    x = 73,377.94

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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.