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Finding the Fourth Proportional to 133,229.49, 199,486.12 and 101,488.35

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Solution

The fourth proportional to 133,229.49, 199,486.12 and 101,488.35 is: 151,959.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,229.49 : 199,486.12 = 101,488.35 : x
  2. Step 2: Convert to fraction form
    133,229.49/199,486.12 = 101,488.35/x
  3. Step 3: Cross multiply
    133,229.49x = 199,486.12 × 101,488.35
  4. Step 4: Simplify right side
    133,229.49x = 20,245,517,166.70
  5. Step 5: Solve for x
    x = 20,245,517,166.70/133,229.49
  6. Step 6: Final answer
    x = 151,959.73

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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.