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Finding the Fourth Proportional to 119,352.34, 179,049.69 and 39,394.70

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Solution

The fourth proportional to 119,352.34, 179,049.69 and 39,394.70 is: 59,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,352.34 : 179,049.69 = 39,394.70 : x
  2. Step 2: Convert to fraction form
    119,352.34/179,049.69 = 39,394.70/x
  3. Step 3: Cross multiply
    119,352.34x = 179,049.69 × 39,394.70
  4. Step 4: Simplify right side
    119,352.34x = 7,053,609,605.99
  5. Step 5: Solve for x
    x = 7,053,609,605.99/119,352.34
  6. Step 6: Final answer
    x = 59,099.05

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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.