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Finding the Fourth Proportional to 119,889.60, 179,834.36 and 35,649.42

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Solution

The fourth proportional to 119,889.60, 179,834.36 and 35,649.42 is: 53,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,889.60 : 179,834.36 = 35,649.42 : x
  2. Step 2: Convert to fraction form
    119,889.60/179,834.36 = 35,649.42/x
  3. Step 3: Cross multiply
    119,889.60x = 179,834.36 × 35,649.42
  4. Step 4: Simplify right side
    119,889.60x = 6,410,990,451.82
  5. Step 5: Solve for x
    x = 6,410,990,451.82/119,889.60
  6. Step 6: Final answer
    x = 53,474.12

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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.