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Finding the Fourth Proportional to 231,881.70, 347,822.55 and 179,328.90

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Solution

The fourth proportional to 231,881.70, 347,822.55 and 179,328.90 is: 268,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,881.70 : 347,822.55 = 179,328.90 : x
  2. Step 2: Convert to fraction form
    231,881.70/347,822.55 = 179,328.90/x
  3. Step 3: Cross multiply
    231,881.70x = 347,822.55 × 179,328.90
  4. Step 4: Simplify right side
    231,881.70x = 62,374,635,286.70
  5. Step 5: Solve for x
    x = 62,374,635,286.70/231,881.70
  6. Step 6: Final answer
    x = 268,993.35

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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.