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Finding the Fourth Proportional to 119,886.90, 179,824.14 and 35,647.85

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Solution

The fourth proportional to 119,886.90, 179,824.14 and 35,647.85 is: 53,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,886.90 : 179,824.14 = 35,647.85 : x
  2. Step 2: Convert to fraction form
    119,886.90/179,824.14 = 35,647.85/x
  3. Step 3: Cross multiply
    119,886.90x = 179,824.14 × 35,647.85
  4. Step 4: Simplify right side
    119,886.90x = 6,410,343,069.98
  5. Step 5: Solve for x
    x = 6,410,343,069.98/119,886.90
  6. Step 6: Final answer
    x = 53,469.92

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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.