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Finding the Fourth Proportional to 119,431.78, 179,118.84 and 35,169.02

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Solution

The fourth proportional to 119,431.78, 179,118.84 and 35,169.02 is: 52,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,431.78 : 179,118.84 = 35,169.02 : x
  2. Step 2: Convert to fraction form
    119,431.78/179,118.84 = 35,169.02/x
  3. Step 3: Cross multiply
    119,431.78x = 179,118.84 × 35,169.02
  4. Step 4: Simplify right side
    119,431.78x = 6,299,434,066.34
  5. Step 5: Solve for x
    x = 6,299,434,066.34/119,431.78
  6. Step 6: Final answer
    x = 52,745.04

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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.