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Finding the Fourth Proportional to 301,967.78, 452,872.38 and 159,621.42

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Solution

The fourth proportional to 301,967.78, 452,872.38 and 159,621.42 is: 239,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,967.78 : 452,872.38 = 159,621.42 : x
  2. Step 2: Convert to fraction form
    301,967.78/452,872.38 = 159,621.42/x
  3. Step 3: Cross multiply
    301,967.78x = 452,872.38 × 159,621.42
  4. Step 4: Simplify right side
    301,967.78x = 72,288,132,374.38
  5. Step 5: Solve for x
    x = 72,288,132,374.38/301,967.78
  6. Step 6: Final answer
    x = 239,390.22

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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.