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Finding the Fourth Proportional to 178,466.40, 246,450.24 and 114,914.88

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Solution

The fourth proportional to 178,466.40, 246,450.24 and 114,914.88 is: 158,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,466.40 : 246,450.24 = 114,914.88 : x
  2. Step 2: Convert to fraction form
    178,466.40/246,450.24 = 114,914.88/x
  3. Step 3: Cross multiply
    178,466.40x = 246,450.24 × 114,914.88
  4. Step 4: Simplify right side
    178,466.40x = 28,320,799,755.57
  5. Step 5: Solve for x
    x = 28,320,799,755.57/178,466.40
  6. Step 6: Final answer
    x = 158,689.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.