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Finding the Fourth Proportional to 295,531.84, 443,169.52 and 162,372.16

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Solution

The fourth proportional to 295,531.84, 443,169.52 and 162,372.16 is: 243,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,531.84 : 443,169.52 = 162,372.16 : x
  2. Step 2: Convert to fraction form
    295,531.84/443,169.52 = 162,372.16/x
  3. Step 3: Cross multiply
    295,531.84x = 443,169.52 × 162,372.16
  4. Step 4: Simplify right side
    295,531.84x = 71,958,392,208.56
  5. Step 5: Solve for x
    x = 71,958,392,208.56/295,531.84
  6. Step 6: Final answer
    x = 243,487.78

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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.