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Finding the Fourth Proportional to 119,758.61, 179,638.65 and 35,519.47

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Solution

The fourth proportional to 119,758.61, 179,638.65 and 35,519.47 is: 53,279.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,758.61 : 179,638.65 = 35,519.47 : x
  2. Step 2: Convert to fraction form
    119,758.61/179,638.65 = 35,519.47/x
  3. Step 3: Cross multiply
    119,758.61x = 179,638.65 × 35,519.47
  4. Step 4: Simplify right side
    119,758.61x = 6,380,669,190.42
  5. Step 5: Solve for x
    x = 6,380,669,190.42/119,758.61
  6. Step 6: Final answer
    x = 53,279.42

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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.