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Finding the Fourth Proportional to 119,354.34, 179,052.69 and 39,396.70

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Solution

The fourth proportional to 119,354.34, 179,052.69 and 39,396.70 is: 59,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,354.34 : 179,052.69 = 39,396.70 : x
  2. Step 2: Convert to fraction form
    119,354.34/179,052.69 = 39,396.70/x
  3. Step 3: Cross multiply
    119,354.34x = 179,052.69 × 39,396.70
  4. Step 4: Simplify right side
    119,354.34x = 7,054,085,112.12
  5. Step 5: Solve for x
    x = 7,054,085,112.12/119,354.34
  6. Step 6: Final answer
    x = 59,102.04

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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.