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Finding the Fourth Proportional to 372,147.84, 558,239.04 and 119,438.64

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Solution

The fourth proportional to 372,147.84, 558,239.04 and 119,438.64 is: 179,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,147.84 : 558,239.04 = 119,438.64 : x
  2. Step 2: Convert to fraction form
    372,147.84/558,239.04 = 119,438.64/x
  3. Step 3: Cross multiply
    372,147.84x = 558,239.04 × 119,438.64
  4. Step 4: Simplify right side
    372,147.84x = 66,675,311,732.51
  5. Step 5: Solve for x
    x = 66,675,311,732.51/372,147.84
  6. Step 6: Final answer
    x = 179,163.51

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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.