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Finding the Fourth Proportional to 301,596.98, 451,706.28 and 143,936.18

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Solution

The fourth proportional to 301,596.98, 451,706.28 and 143,936.18 is: 215,575.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,596.98 : 451,706.28 = 143,936.18 : x
  2. Step 2: Convert to fraction form
    301,596.98/451,706.28 = 143,936.18/x
  3. Step 3: Cross multiply
    301,596.98x = 451,706.28 × 143,936.18
  4. Step 4: Simplify right side
    301,596.98x = 65,016,876,425.21
  5. Step 5: Solve for x
    x = 65,016,876,425.21/301,596.98
  6. Step 6: Final answer
    x = 215,575.36

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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.